@article{IVM_2016_5_a0,
     author = {A. T. Asanova},
     title = {Criteria of unique solvability of nonlocal boundary-value problem for systems of hyperbolic equations with mixed derivatives},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {3--21},
     year = {2016},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2016_5_a0/}
}