@article{MZM_2006_80_1_a7,
     author = {K. P. Lazarev and T. V. Beloglazova},
     title = {Solvability of the {Boundary-Value} {Problem
}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {60--68},
     publisher = {mathdoc},
     volume = {80},
     number = {1},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2006_80_1_a7/}
}