@article{VSGTU_2017_21_1_a4,
     author = {E. A. Sozontova},
     title = {A conditions of solvability of the {Goursat} problem in quadratures for the two-dimensional system of high order},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {94--111},
     publisher = {mathdoc},
     volume = {21},
     number = {1},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_2017_21_1_a4/}
}