%0 Journal Article %A Rusnák, Ján %T Constructions of lower and upper solutions for a nonlinear boundary value problem of the third order and their applications %J Mathematica slovaca %D 1990 %P 101-110 %V 40 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1990__40_1_a10/ %G en %F MASLO_1990__40_1_a10