@article{IVM_2016_9_a2,
     author = {N. T. Orumbaeva},
     title = {On solvability of non-linear semi-periodic boundary-value problem for system of hyperbolic equations},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {26--41},
     publisher = {mathdoc},
     number = {9},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2016_9_a2/}
}