@article{TRSPY_1998_222_a0,
     author = {A. Yu. Kolesov and E. F. Mishchenko and N. Kh. Rozov},
     title = {Asymptotic {Methods} of {Investigation} of {Periodic} {Solutions} of {Nonlinear} {Hyperbolic} {Equations}},
     journal = {Informatics and Automation},
     pages = {3--191},
     publisher = {mathdoc},
     volume = {222},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1998_222_a0/}
}