%0 Journal Article %A B. M. Barbashov %A V. V. Nesterenko %T B\"acklund transformation for the Liouville equation and gauge conditions in the theory of a~relativistic string %J Teoretičeskaâ i matematičeskaâ fizika %D 1983 %P 180-191 %V 56 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1983_56_2_a2/ %G ru %F TMF_1983_56_2_a2