@article{TMF_1985_62_2_a0,
     author = {A. V. Mikhailov and A. B. Shabat},
     title = {Integrability conditions for systems of two equations of the form $u_t+A(u)u_{xx}+F(u,u_x)${.~I}},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {163--185},
     year = {1985},
     volume = {62},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1985_62_2_a0/}
}