TY - JOUR AU - È. R. Rozendorn TI - Geodesic curvature of asymptotic lines and mean curvature of a surface near a weakly singular point JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1986 SP - 27 EP - 29 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1986_5_a4/ LA - ru ID - VMUMM_1986_5_a4 ER -