TY - JOUR AU - A. V. Bolsinov AU - A. T. Fomenko AU - X. Zhang TI - Three types bordisms of integrable systems with two degrees of freedom. Computation of bordism groups JO - Informatics and Automation PY - 1994 SP - 32 EP - 72 VL - 205 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1994_205_a4/ LA - ru ID - TRSPY_1994_205_a4 ER -