%0 Journal Article %A Pinda, Ľudovít %T Landesman-Lazer type problems at an eigenvalue of odd multiplicity %J Archivum mathematicum %D 1994 %P 73-84 %V 30 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ARM_1994__30_2_a0/ %G en %F ARM_1994__30_2_a0