Added references for LMQ and real root isolation
Added references for LMQ and real root isolation

cccfran/sympy,asm666/sympy,toolforger/sympy,MridulS/sympy,Davidjohnwilson/sympy,VaibhavAgarwalVA/sympy,vipulroxx/sympy,Mitchkoens/sympy,hargup/sympy,bukzor/sympy,Mitchkoens/sympy,liangjiaxing/sympy,yukoba/sympy,maniteja123/sympy,Sumith1896/sympy,kevalds51/sympy,Titan-C/sympy,meghana1995/sympy,hargup/sympy,Curious72/sympy,souravsingh/sympy,jamesblunt/sympy,wanglongqi/sympy,Designist/sympy,wanglongqi/sympy,chaffra/sympy,MechCoder/sympy,drufat/sympy,mcdaniel67/sympy,Mitchkoens/sympy,ga7g08/sympy,cccfran/sympy,Sumith1896/sympy,saurabhjn76/sympy,AunShiLord/sympy,toolforger/sympy,garvitr/sympy,yashsharan/sympy,iamutkarshtiwari/sympy,farhaanbukhsh/sympy,pbrady/sympy,Vishluck/sympy,aktech/sympy,jbbskinny/sympy,Shaswat27/sympy,kaichogami/sympy,dqnykamp/sympy,wyom/sympy,chaffra/sympy,bukzor/sympy,postvakje/sympy,shipci/sympy,atreyv/sympy,sampadsaha5/sympy,kmacinnis/sympy,mcdaniel67/sympy,moble/sympy,shipci/sympy,lindsayad/sympy,AunShiLord/sympy,kaichogami/sympy,madan96/sympy,moble/sympy,Arafatk/sympy,farhaanbukhsh/sympy,kaushik94/sympy,hrashk/sympy,iamutkarshtiwari/sympy,jaimahajan1997/sympy,atsao72/sympy,beni55/sympy,beni55/sympy,madan96/sympy,pandeyadarsh/sympy,VaibhavAgarwalVA/sympy,jaimahajan1997/sympy,shipci/sympy,sahmed95/sympy,hrashk/sympy,Curious72/sympy,cswiercz/sympy,mafiya69/sympy,skirpichev/omg,drufat/sympy,lidavidm/sympy,garvitr/sympy,meghana1995/sympy,liangjiaxing/sympy,yukoba/sympy,cccfran/sympy,MechCoder/sympy,AkademieOlympia/sympy,aktech/sympy,mcdaniel67/sympy,debugger22/sympy,Titan-C/sympy,Curious72/sympy,sahmed95/sympy,dqnykamp/sympy,emon10005/sympy,mafiya69/sympy,Shaswat27/sympy,kevalds51/sympy,pbrady/sympy,sahilshekhawat/sympy,pbrady/sympy,MridulS/sympy,Shaswat27/sympy,sahilshekhawat/sympy,bukzor/sympy,vipulroxx/sympy,beni55/sympy,shikil/sympy,oliverlee/sympy,Gadal/sympy,saurabhjn76/sympy,Gadal/sympy,kevalds51/sympy,sunny94/temp,abloomston/sympy,sampadsaha5/sympy,vipulroxx/sympy,oliverlee/sympy,sunny94/temp,kmacinnis/sympy,jerli/sympy,abloomston/sympy,sunny94/temp,lindsayad/sympy,mafiya69/sympy,garvitr/sympy,debugger22/sympy,Titan-C/sympy,atreyv/sympy,drufat/sympy,saurabhjn76/sympy,ChristinaZografou/sympy,hargup/sympy,farhaanbukhsh/sympy,asm666/sympy,ChristinaZografou/sympy,sampadsaha5/sympy,toolforger/sympy,maniteja123/sympy,ahhda/sympy,jerli/sympy,kumarkrishna/sympy,Davidjohnwilson/sympy,shikil/sympy,iamutkarshtiwari/sympy,pandeyadarsh/sympy,madan96/sympy,MridulS/sympy,wanglongqi/sympy,skidzo/sympy,cswiercz/sympy,jamesblunt/sympy,AkademieOlympia/sympy,skidzo/sympy,ahhda/sympy,ga7g08/sympy,lidavidm/sympy,Designist/sympy,cswiercz/sympy,postvakje/sympy,AunShiLord/sympy,jbbskinny/sympy,rahuldan/sympy,yukoba/sympy,rahuldan/sympy,skidzo/sympy,aktech/sympy,jamesblunt/sympy,postvakje/sympy,Davidjohnwilson/sympy,shikil/sympy,Designist/sympy,chaffra/sympy,atreyv/sympy,abhiii5459/sympy,grevutiu-gabriel/sympy,Vishluck/sympy,maniteja123/sympy,lidavidm/sympy,grevutiu-gabriel/sympy,Arafatk/sympy,jaimahajan1997/sympy,sahmed95/sympy,ga7g08/sympy,sahilshekhawat/sympy,meghana1995/sympy,abhiii5459/sympy,ahhda/sympy,diofant/diofant,souravsingh/sympy,yashsharan/sympy,wyom/sympy,abloomston/sympy,emon10005/sympy,kmacinnis/sympy,lindsayad/sympy,kaushik94/sympy,MechCoder/sympy,Gadal/sympy,emon10005/sympy,wyom/sympy,souravsingh/sympy,Sumith1896/sympy,kumarkrishna/sympy,moble/sympy,pandeyadarsh/sympy,Arafatk/sympy,atsao72/sympy,grevutiu-gabriel/sympy,VaibhavAgarwalVA/sympy,oliverlee/sympy,kumarkrishna/sympy,kaichogami/sympy,kaushik94/sympy,asm666/sympy,jerli/sympy,ChristinaZografou/sympy,debugger22/sympy,rahuldan/sympy,hrashk/sympy,yashsharan/sympy,AkademieOlympia/sympy,atsao72/sympy,dqnykamp/sympy,jbbskinny/sympy,Vishluck/sympy,liangjiaxing/sympy,abhiii5459/sympy