@article{DAN_1957_116_4_a9,
     author = {Yu. V. Sidorov},
     title = {Cauchy problem for a system of linear partial differential equations with a weight exceeding unity},
     journal = {Doklady Akademii Nauk},
     pages = {560--563},
     publisher = {mathdoc},
     volume = {116},
     number = {4},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_116_4_a9/}
}