@article{DAN_1971_200_6_a5,
     author = {V. G. Limanskii},
     title = {On first order differential operator equations of stable type},
     journal = {Doklady Akademii Nauk},
     pages = {1280--1282},
     publisher = {mathdoc},
     volume = {200},
     number = {6},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_200_6_a5/}
}