@article{JSFU_2012_5_2_a9,
     author = {Dmitry K. Potapov},
     title = {Control problems for equations with a~spectral parameter and a~discontinuous operator under perturbations},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {239--245},
     publisher = {mathdoc},
     volume = {5},
     number = {2},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2012_5_2_a9/}
}