@article{IVM_1971_11_a5,
     author = {B. G. Gabdulkhaev},
     title = {Direct methods of solution of certain operator {equations.~I}},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {33--44},
     year = {1971},
     number = {11},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1971_11_a5/}
}