@article{VSGTU_2012_3_a19,
     author = {D. K. Potapov},
     title = {On the character of nonlinearity discontinuities in eigenvalue problems for elliptic equations},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {188--190},
     publisher = {mathdoc},
     number = {3},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_2012_3_a19/}
}