%0 Journal Article %A Kusano, Takaŝi %A Švec, Marko %T On unbounded positive solutions of nonlinear differential equations with oscillating coefficients %J Czechoslovak Mathematical Journal %D 1989 %P 133-141 %V 39 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1989.102285/ %R 10.21136/CMJ.1989.102285 %G en %F 10_21136_CMJ_1989_102285