@article{FAA_1979_13_4_a14,
     author = {G. G. Kasparov},
     title = {The $K$-functor in the theory of extensions of $C^*$-algebras},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {73--74},
     publisher = {mathdoc},
     volume = {13},
     number = {4},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1979_13_4_a14/}
}