%0 Journal Article
%A V. B. Tlyachev
%A A. D. Ushkho
%A D. S. Ushkho
%T An estimate from above of the number of invariant straight lines of $n$-th degree polynomial vector field
%J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics
%D 2015
%P 171-179
%V 15
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ISU_2015_15_2_a6/
%G ru
%F ISU_2015_15_2_a6