@article{DAN_1968_180_1_a8,
     author = {F. G. Selezneva},
     title = {The initial value problem for general systems of partial differential equations with constant coefficients},
     journal = {Doklady Akademii Nauk},
     pages = {36--38},
     publisher = {mathdoc},
     volume = {180},
     number = {1},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1968_180_1_a8/}
}