Evolution of spectral data and nonlinear equations
Tài liệu tham khảo
S. P. Novikov (ed.), Theory of Solitons, Method of the Inverse Problem [in Russian], Nauka, Moscow (1980).
Yu. M. Berezanskii, “Integration of nonlinear difference equations by the method of the inverse problem,” Dokl. Akad. Nauk SSSR,281, No. 1, 16–19 (1985).
L. A. Sakhnovich, “Problems of factorization and operator identities,” Usp. Mat. Nauk,41, No. 1, 3–55 (1986).