%0 Journal Article %A V. A. Gorkavyy %T On conformal transformations of surfaces in Minkowski space with preservation of the Grassmann image %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2006 %P 13-24 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2006_7_a1/ %G ru %F IVM_2006_7_a1