Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MAN_1963__149_161032, author = {W.N. EVERITT}, title = {Fourth {Order} {Singular} {Differential} {Equations.}}, journal = {Mathematische Annalen}, pages = {320--340}, publisher = {mathdoc}, volume = {149}, year = {1963}, zbl = {0111.08501}, url = {http://geodesic.mathdoc.fr/item/MAN_1963__149_161032/} }
W.N. EVERITT. Fourth Order Singular Differential Equations.. Mathematische Annalen, Tome 149 (1963), pp. 320-340. http://geodesic.mathdoc.fr/item/MAN_1963__149_161032/