TY - JOUR AU - V. G. Gorbunov TI - Estimation of the order of nilpotence of torsion elements in the symplectic cobordism ring JO - Matematičeskie zametki PY - 1992 SP - 26 EP - 32 VL - 52 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1992_52_5_a3/ LA - ru ID - MZM_1992_52_5_a3 ER -