@article{DE_1995_31_5_a21,
     author = {N. A. Sizova},
     title = {Some bifurcations of the controllability regions of bilinear systems},
     journal = {Differencialʹnye uravneni\^a},
     pages = {890--893},
     publisher = {mathdoc},
     volume = {31},
     number = {5},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1995_31_5_a21/}
}