TY - JOUR AU - V. A. Kyrov TI - Criterion for the Nondegeneracy of a Transformation Group JO - Matematičeskie zametki PY - 2009 SP - 144 EP - 146 VL - 85 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2009_85_1_a14/ LA - ru ID - MZM_2009_85_1_a14 ER -