@article{DAN_1958_121_4_a6,
     author = {S. L. Sobolev},
     title = {A note on {Petrovsky's} test for the uniform correctness of {Cauchy} problem in the case of partial differential equations},
     journal = {Doklady Akademii Nauk},
     pages = {598--601},
     publisher = {mathdoc},
     volume = {121},
     number = {4},
     year = {1958},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1958_121_4_a6/}
}