%0 Journal Article %A V. S. Lenev %T Construction of a~semicanonical frame for a~two-dimensional net in $N$-dimensional projective space %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1973 %P 68-76 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1973_3_a9/ %G ru %F IVM_1973_3_a9