@article{DE_2001_37_2_a9,
     author = {S. V. Zhestkov},
     title = {The {Unique} {Solvability} of the {Doubly} {Periodic} {Problem} for a {System} of {Nonlinear} {Telegraph} {Partial} {Differential} {Equations}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {223--227},
     publisher = {mathdoc},
     volume = {37},
     number = {2},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2001_37_2_a9/}
}