@article{IVM_1974_3_a2,
     author = {B. G. Gabdulkhaev},
     title = {Direct methods of solution of certain operator {equations.~IV}},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {18--31},
     publisher = {mathdoc},
     number = {3},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1974_3_a2/}
}