%0 Journal Article %A T IwiƄski %T On a certain class of linear differential equations %J Applicationes Mathematicae %D 1963 %P 59-76 %V 7 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/am-7-1-59-76/ %R 10.4064/am-7-1-59-76 %G en %F 10_4064_am_7_1_59_76