%0 Journal Article %A È. R. Rozendorn %T Geodesic curvature of asymptotic lines and mean curvature of a surface near a weakly singular point %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1986 %P 27-29 %N 5 %U http://geodesic.mathdoc.fr/item/VMUMM_1986_5_a4/ %G ru %F VMUMM_1986_5_a4