@article{EJDE_2000__2000__a146,
     author = {Haile, Craig},
     title = {A second eigenvalue bound for the {Dirichlet-Schr\"odinger} equation with a radially symmetric potential},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2000},
     year = {2000},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2000__2000__a146/}
}