@article{TMF_1983_56_1_a12,
     author = {E. I. Shulman},
     title = {On the integrability of equations of {Davey--Stewartson} type},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {131--136},
     publisher = {mathdoc},
     volume = {56},
     number = {1},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1983_56_1_a12/}
}