@article{IVM_1960_1_a8,
     author = {A. Kh. Gelig},
     title = {Stability of the solutions of the {Cauchy} problem for symmetric systems of partial differential equations},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {69--83},
     publisher = {mathdoc},
     number = {1},
     year = {1960},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1960_1_a8/}
}