%0 Journal Article %A A. I. Yablonskii %A A. F. Korzyuk %T A method for constructing systems of nonlinear differential equations of arbitrary order with moving polar singular points %J Differencialʹnye uravneniâ %D 1987 %P 2074-2079 %V 23 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1987_23_12_a7/ %G ru %F DE_1987_23_12_a7