@article{DE_1996_32_9_a0, author = {S. V. Bogatyrev}, title = {Integral duck manifolds in singularly perturbed systems with a double bifurcation point on a slow curve}, journal = {Differencialʹnye uravneni\^a}, pages = {1155--1161}, publisher = {mathdoc}, volume = {32}, number = {9}, year = {1996}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1996_32_9_a0/} }