@article{TRSPY_1973_133_a18,
     author = {A. D. Taimanov},
     title = {The extension of linear operators},
     journal = {Informatics and Automation},
     pages = {214--220},
     publisher = {mathdoc},
     volume = {133},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1973_133_a18/}
}