@article{DAN_1958_119_4_a3,
     author = {S. A. Gal'pern},
     title = {Cauchy problem for general systems of linear partial differential equations},
     journal = {Doklady Akademii Nauk},
     pages = {640--643},
     publisher = {mathdoc},
     volume = {119},
     number = {4},
     year = {1958},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1958_119_4_a3/}
}