%0 Journal Article %A Vrábeľ, Róbert %T Quasilinear and quadratic singularly perturbed periodic boundary value problem %J Archivum mathematicum %D 2000 %P 1-7 %V 36 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ARM_2000__36_1_a0/ %G en %F ARM_2000__36_1_a0