@article{DE_1981_17_8_a5,
     author = {M. V. Faminskaya},
     title = {A singularly perturbed, weakly nonlinear problem with associated vectors that correspond to a zero characteristic number},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1411--1425},
     publisher = {mathdoc},
     volume = {17},
     number = {8},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1981_17_8_a5/}
}