@article{DE_1988_24_7_a25,
     author = {N. P. Morozov},
     title = {On the bounds for the application of the small parameter methods to the case of a single root of the amplitude equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1273--1274},
     publisher = {mathdoc},
     volume = {24},
     number = {7},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1988_24_7_a25/}
}