@article{FAA_2007_41_1_a6,
     author = {M. T. Karaev},
     title = {Banach {Algebra} {Technique} for {Proving} an {Addition} {Formula} for {Spectral} {Multiplicities} of {Sets} of {Operators}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {93--95},
     publisher = {mathdoc},
     volume = {41},
     number = {1},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_2007_41_1_a6/}
}