Add a possibility to access integrals via 'ov' notation; change signature of abstract methods
Add a possibility to access integrals via 'ov' notation; change signature of abstract methods


sunqm/pyscf,sunqm/pyscf,sunqm/pyscf,gkc1000/pyscf,sunqm/pyscf,gkc1000/pyscf,gkc1000/pyscf,gkc1000/pyscf,gkc1000/pyscf