@article{IVM_1981_11_a6,
     author = {N. M. Saltykova},
     title = {The generalized {Bitsadze--Samarskii} problem for an equation of mixed type of the second kind},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {43--48},
     publisher = {mathdoc},
     number = {11},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1981_11_a6/}
}