TY - JOUR AU - L. A. Takhtadzhyan AU - L. D. Faddeev TI - The Hamiltonian system connected with the equation $u_{\xi_\eta}+\sin u=0$ JO - Informatics and Automation PY - 1976 SP - 254 EP - 266 VL - 142 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1976_142_a19/ LA - ru ID - TRSPY_1976_142_a19 ER -