@article{ZVMMF_1985_25_7_a7,
     author = {S. V. Khabirov},
     title = {Classification of {Backlund} transformations of first order for third order evolution equations with a constant separant},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1039--1049},
     year = {1985},
     volume = {25},
     number = {7},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1985_25_7_a7/}
}