%0 Journal Article %A Mourad E.H. Ismail %T On solving certain differential equations with variable coefficients. %J Aequationes mathematicae %D 1978 %P 148-153 %V 17 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1978__17_136736/ %F AM2_1978__17_136736