%0 Journal Article %A A. V. Inshakov %T Surfaces whose osculating varieties of orderĀ 2 are defective %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2002 %P 993-994 %V 57 %N 5 %U http://geodesic.mathdoc.fr/item/RM_2002_57_5_a7/ %G en %F RM_2002_57_5_a7