@article{TMF_1998_117_2_a8,
     author = {P. K. Silaev and O. A. Khrustalev},
     title = {Double-periodic solutions in an essentially nonlinear one-dimensional field model},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {300--307},
     publisher = {mathdoc},
     volume = {117},
     number = {2},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1998_117_2_a8/}
}