%0 Journal Article %A Greguš, Michal %A Greguš, Michal, Jr. %T On certain singular third order eigenvalue problem %J Archivum mathematicum %D 2003 %P 173-177 %V 39 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/ARM_2003__39_3_a1/ %G en %F ARM_2003__39_3_a1