TY - JOUR AU - V. A. Dem'yanenko TI - Differents of points of torsion JO - Matematičeskie zametki PY - 1983 SP - 111 EP - 116 VL - 33 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1983_33_1_a12/ LA - ru ID - MZM_1983_33_1_a12 ER -