%0 Journal Article %A A. F. Korzyuk %T On the problem of third-order nonlinear systems with single-valued moving singularities %J Differencialʹnye uravneniâ %D 1987 %P 791-798 %V 23 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1987_23_5_a6/ %G ru %F DE_1987_23_5_a6