Cannas S.A. Generalized Hubbard Hamiltonian:renormalization group approach / S.A.Cannas,F.A.Tamarit,C.Tsallis, 1991. - 43 p. - Текст : непосредственный.
Cannas S.A. Phase diagram of the Hubbard model with arbitrary band filling:renormalization group approach / S.A.Cannas,C.Tsallis, 1991. - 13 p. - Текст : непосредственный.
Cannas S.A. Phase diagram of a generalized tJ modell:Renormalization group approach / S.A.Cannas,C.Tsallis, 1991. - 57 p. - Текст : непосредственный.