%0 Journal Article %A W.J. Coles %A D.H. Tucker %T Equivalence of Certain Differential Equations. %J Mathematische Zeitschrift %D 1962 %P 224-226 %V 79 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1962__79_170061/ %F MZ_1962__79_170061