@article{DE_1997_33_7_a2,
     author = {V. V. Filippov},
     title = {On the theory of the {Cauchy} problem for an ordinary differential equation with discontinuities with respect to the space variables},
     journal = {Differencialʹnye uravneni\^a},
     pages = {885--891},
     publisher = {mathdoc},
     volume = {33},
     number = {7},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1997_33_7_a2/}
}