TY - JOUR AU - S. Kh. Aranson AU - E. V. Zhuzhoma TI - Properties of the Absolute That Affect Smoothness of Flows on Closed Surfaces JO - Matematičeskie zametki PY - 2000 SP - 819 EP - 829 VL - 68 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2000_68_6_a1/ LA - ru ID - MZM_2000_68_6_a1 ER -