@article{IVM_2011_4_a0,
     author = {S. A. Aldashev},
     title = {A criterion for the unique solvability of the {Dirichlet} spectral problem in a~cylindrical domain for a~multi-dimensional {Lavrent'ev--Bitsadze} equation},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {3--7},
     publisher = {mathdoc},
     number = {4},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2011_4_a0/}
}