%0 Journal Article %A A. G. Popov %T On the transformation of local solutions of equations associated with the geometry of surfaces %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1993 %P 35-44 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1993_9_a6/ %G ru %F IVM_1993_9_a6