@article{DE_1999_35_3_a1,
     author = {I. P. Pavlotsky and M. Strianese},
     title = {On the stability of the singular set of a dynamical system},
     journal = {Differencialʹnye uravneni\^a},
     pages = {296--303},
     publisher = {mathdoc},
     volume = {35},
     number = {3},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1999_35_3_a1/}
}