TY - JOUR AU - N. N. Brushlinskaya TI - Versal family of vector fields of a Poincar\'e domain JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1970 SP - 6 EP - 13 VL - 4 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1970_4_1_a1/ LA - ru ID - FAA_1970_4_1_a1 ER -