@article{articleb5d1367e, title = {Accurate universal gaussian basis set for helium through calcium generation with the generator coordinate dirac-fock method}, author = {Jorge, F E and Silva, Alberico Borges Ferreira da}, year = {1997}, doi = {10.1016/s0166-1280(96)04824-5}, journal = {Journal of Molecular Structure: Theochem} }