Laikov, Dimitri N Neglect of four- and approximation of one-, two-, and three-center two-electron integrals in a symmetrically orthogonalized basis. [electronic resource] - Journal of computational chemistry Feb 2007 - 698-702 p. digital Publication Type: Journal Article ISSN: 0192-8651 Standard No.: 10.1002/jcc.20485 doi Subjects--Topical Terms: AlgorithmsElectronsModels, MolecularModels, TheoreticalMolecular Structure