%0 Journal Article %A Vrábeľ, Róbert %T Asymptotic behavior of $T$-periodic solutions of singularly perturbed second-order differential equation %J Mathematica Bohemica %D 1996 %P 73-76 %V 121 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/MB.1996.125946/ %R 10.21136/MB.1996.125946 %G en %F 10_21136_MB_1996_125946