@article{IVM_1991_7_a7,
     author = {A. \`E. Pasenchuk},
     title = {Innvertibility of abstract {Toeplitz} operators in countably normed spaces},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {49--57},
     publisher = {mathdoc},
     number = {7},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1991_7_a7/}
}