@article{IM2_1988_30_1_a2,
     author = {A. V. Babin and M. I. Vishik},
     title = {On~unstable sets of evolution equations in the neighborhood of critical points of a~stationary curve},
     journal = {Izvestiya. Mathematics },
     pages = {39--70},
     publisher = {mathdoc},
     volume = {30},
     number = {1},
     year = {1988},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1988_30_1_a2/}
}