J. C. Burant, M. C. Strain, G. E. Scuseria, and M. J. Frisch, “Analytic Energy Gradients for the Gaussian Very Fast Multipole Method (GvFMM),” Chem. Phys. Lett., 248 (1996) 43-49. DOI: 10.1016/0009-2614(95)01301-6
J. C. Burant, M. C. Strain, G. E. Scuseria, and M. J. Frisch, “Analytic Energy Gradients for the Gaussian Very Fast Multipole Method (GvFMM),” Chem. Phys. Lett., 248 (1996) 43-49. DOI: 10.1016/0009-2614(95)01301-6
