%0 Journal Article %A M. L. Gorbachuk %A I. T. Matsishin %T Behavior at infinity of solutions of a first-order differential %J Doklady Akademii Nauk %D 1990 %P 521-524 %V 312 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1990_312_3_a0/ %G ru %F DAN_1990_312_3_a0