%0 Journal Article %A Gentry, Rodney D. %T A Note on Upper Bounds for the Eigenvalues of y′′ + λpy=0 %J Canadian mathematical bulletin %D 1975 %P 347-351 %V 18 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1975-063-9/ %R 10.4153/CMB-1975-063-9 %F 10_4153_CMB_1975_063_9