@article{TMF_2009_159_3_a10,
     author = {V. S. Gerdjikov and N. A. Kostov and T. I. Valchev},
     title = {Multicomponent nonlinear schr\"odinger equations with constant
},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {438--447},
     publisher = {mathdoc},
     volume = {159},
     number = {3},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2009_159_3_a10/}
}