TY - JOUR AU - A. M. Zamorzaev TI - All-Union Symposium on Symmetry Theory and its Generalizations JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1981 VL - 36 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1981_36_5_a33/ LA - ru ID - RM_1981_36_5_a33 ER -