@article{UFA_2013_5_2_a5,
     author = {D. K. Potapov},
     title = {On a number of solutions in  problems  with  spectral parameter for equations  with discontinuous operators},
     journal = {Ufa mathematical journal},
     pages = {56--62},
     publisher = {mathdoc},
     volume = {5},
     number = {2},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UFA_2013_5_2_a5/}
}