@article{VSGTU_2017_21_4_a9,
     author = {A. A. Andreev and J. O. Yakovleva},
     title = {The {Cauchy} problem for a system of the hyperbolic differential equations of the $n$-th order with the nonmultiple characteristics},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {752--759},
     publisher = {mathdoc},
     volume = {21},
     number = {4},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_2017_21_4_a9/}
}