%0 Journal Article %A N. P. Azanov %T Determining the vector of an infinitesimal deformation of a membrane that is stretched over a torus %J Trudy Geometricheskogo Seminara %D 1990 %P 13-18 %V 20 %U http://geodesic.mathdoc.fr/item/KUTGS_1990_20_a1/ %G ru %F KUTGS_1990_20_a1