@article{DAN_1981_256_6_a19,
     author = {B. A. Malomed},
     title = {Some conditions of auto-oscillatory wave propagation},
     journal = {Doklady Akademii Nauk},
     pages = {1363--1367},
     publisher = {mathdoc},
     volume = {256},
     number = {6},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1981_256_6_a19/}
}