TY - JOUR AU - È. R. Rozendorn TI - A~sufficient condition for global regularity of nets of curves in the Euclidean plane JO - Sbornik. Mathematics PY - 1975 SP - 111 EP - 127 VL - 25 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1975_25_1_a6/ LA - en ID - SM_1975_25_1_a6 ER -