@article{SM_2019_210_7_a4,
     author = {V. N. Pavlenko and D. K. Potapov},
     title = {Properties of the spectrum of an elliptic boundary value problem with a~parameter and a~discontinuous nonlinearity},
     journal = {Sbornik. Mathematics},
     pages = {1043--1066},
     publisher = {mathdoc},
     volume = {210},
     number = {7},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2019_210_7_a4/}
}