@article{FORUM_1995__7_1_186419,
     author = {Tetsutaro Shibata},
     title = {Spectral asymptotics for nonlinear {Sturm-Liouville} problems.},
     journal = {Forum mathematicum},
     pages = {207--224},
     publisher = {mathdoc},
     volume = {7},
     number = {1},
     year = {1995},
     zbl = {0818.34016},
     url = {http://geodesic.mathdoc.fr/item/FORUM_1995__7_1_186419/}
}