@article{DE_1995_31_6_a3,
     author = {M. V. Dolov and E. V. Kruglov},
     title = {On the number of semi-algebraic partial integrals of a class of dynamical systems with a cylindrical phase space},
     journal = {Differencialʹnye uravneni\^a},
     pages = {949--954},
     publisher = {mathdoc},
     volume = {31},
     number = {6},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1995_31_6_a3/}
}