@article{DAN_1977_235_4_a20,
     author = {A. S. Budagov and L. A. Takhtadzhyan},
     title = {A nonlinear one-dimensional model of classical field theory with internal degrees of freedom},
     journal = {Doklady Akademii Nauk},
     pages = {805--808},
     publisher = {mathdoc},
     volume = {235},
     number = {4},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1977_235_4_a20/}
}