@article{FPM_1995_1_1_a10,
     author = {A. Yu. Kolesov and N. Kh. Rozov},
     title = {Construction of periodic solutions of a {Boussinnesq} type equation using the method of quasi-normal forms},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {207--220},
     publisher = {mathdoc},
     volume = {1},
     number = {1},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_1995_1_1_a10/}
}