%0 Journal Article %A D. A. Gudkov %T Generalization of a theorem of brusotti for curves on a surface of second order %J Funkcionalʹnyj analiz i ego priloženiâ %D 1980 %P 20-24 %V 14 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1980_14_1_a2/ %G ru %F FAA_1980_14_1_a2