@article{FAA_2007_41_3_a7,
     author = {O. E. Tikhonov},
     title = {On {Convergence} of {Functions} of {Normal} {Operators} in {Strong} {Operator} {Topology}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {93--95},
     publisher = {mathdoc},
     volume = {41},
     number = {3},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_2007_41_3_a7/}
}