TY - JOUR AU - V. L. Ginzburg TI - Cobordisms of symplectic and contact manifolds JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1989 SP - 27 EP - 31 VL - 23 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1989_23_2_a2/ LA - ru ID - FAA_1989_23_2_a2 ER -