@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/} }