@article{EJDE_2012__2012__a61,
     author = {Vamsi,  D.K.K. and Baruah,  Pallav Kumar},
     title = {Existence of positive solutions and eigenvalues intervals for nonlinear {Sturm} {Liouville} problems with a singular interface},
     journal = {Electronic journal of differential equations},
     year = {2012},
     volume = {2012},
     zbl = {1244.34114},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2012__2012__a61/}
}