J. C. Burant, M. C. Strain, G. E. Scuseria, and M. J. Frisch, “Kohn-Sham Analytic Energy Second Derivatives with the Gaussian Very Fast Multipole Method (GvFMM),” Chem. Phys. Lett., 258 (1996) 45-52. DOI: 10.1016/0009-2614(96)00646-X
J. C. Burant, M. C. Strain, G. E. Scuseria, and M. J. Frisch, “Kohn-Sham Analytic Energy Second Derivatives with the Gaussian Very Fast Multipole Method (GvFMM),” Chem. Phys. Lett., 258 (1996) 45-52. DOI: 10.1016/0009-2614(96)00646-X
