%0 Journal Article %A A. S. Grek %T Groups of motions of the Clifford canonical forms of closed orientable surfaces %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1970 %P 44-47 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1970_1_a5/ %G ru %F IVM_1970_1_a5