@article{DAN_1970_190_4_a14,
     author = {B. A. Shcherbakov},
     title = {The method of limit transformations in the problem of the existence of {Poisson} stable solutions of differential equations},
     journal = {Doklady Akademii Nauk},
     pages = {796--799},
     publisher = {mathdoc},
     volume = {190},
     number = {4},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_190_4_a14/}
}