correction of errors in links
correction of errors in links

freakonometrics/arthurcharpentier,freakonometrics/arthurcharpentier,pascalpoizat/pascalpoizat.github.io,pascalpoizat/pascalpoizat.github.io,freakonometrics/arthurcharpentier,freakonometrics/arthurcharpentier,pascalpoizat/pascalpoizat.github.io,pascalpoizat/pascalpoizat.github.io