Schwegler E. multipole acceptability criterion for electronic structure theory / E.Schwegler,M.Challacombe,M.Head-Gordon, 1998. - 7 p. - Текст : непосредственный.
Schwegler E. Linear scaling computation of the fock matrix. 2 : Rigorous bounds on exhange integrals and incremental fock builds, 1997. - 12 p. - Текст : непосредственный.
Challacombe M. Periodic boundary conditions and the fast multipole method / M.Challacombe,C.White,M.Head-Gordon, 1997. - 10 p. - Текст : непосредственный.