%0 Journal Article %A S. V. Khabirov %T Classification of Backlund transformations of first order for third order evolution equations with a constant separant %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1985 %P 1039-1049 %V 25 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1985_25_7_a7/ %G ru %F ZVMMF_1985_25_7_a7