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@article{MOMA_1967__71_177403, author = {D. Willett}, title = {Some {Boundedness} and {Unboundedness} {Results} for the {Equation} x'' + a(t) x2 n-1 = 0.}, journal = {Monatshefte f\"ur Mathematik}, pages = {461--465}, publisher = {mathdoc}, volume = {71}, year = {1967}, zbl = {0155.13403}, url = {http://geodesic.mathdoc.fr/item/MOMA_1967__71_177403/} }
D. Willett. Some Boundedness and Unboundedness Results for the Equation x'' + a(t) x2 n-1 = 0.. Monatshefte für Mathematik, Tome 71 (1967), pp. 461-465. http://geodesic.mathdoc.fr/item/MOMA_1967__71_177403/