%0 Journal Article %A I. A. Malysheva %T On the boundedness and convergence of solutions of second-order differential equations %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1981 %P 54-61 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1981_7_a8/ %G ru %F IVM_1981_7_a8