%0 Journal Article %A G. A. Pelts %T Covariant quantization of the relativistic string with a nontrivial topology of the world sheet %J Zapiski Nauchnykh Seminarov POMI %D 1990 %P 142-160 %V 180 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1990_180_a13/ %G ru %F ZNSL_1990_180_a13