TY - JOUR AU - T. S. Èrgashbaev TI - On~the branching theory for a~non-linear operator invariant under a~group JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1984 SP - 207 EP - 208 VL - 39 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1984_39_6_a4/ LA - en ID - RM_1984_39_6_a4 ER -