@article{IVM_2003_3_a6,
     author = {K. B. Sabitov and N. G. Shmeleva},
     title = {Boundary value problems for the {Lavrent'ev--Bitsadze} equation with a complex parameter},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {49--58},
     publisher = {mathdoc},
     number = {3},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2003_3_a6/}
}