@article{VSGU_2012_6_a6,
     author = {T. V. Simonova},
     title = {Slow integral manifolds with a change of stability},
     journal = {Vestnik Samarskogo universiteta. Estestvennonau\v{c}na\^a seri\^a},
     pages = {49--57},
     publisher = {mathdoc},
     number = {6},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGU_2012_6_a6/}
}