@article{FAA_1990_24_1_a12,
     author = {Yu. L. Daletskii},
     title = {A noncommutative taylor formula and functions of triangle operators},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {74--76},
     publisher = {mathdoc},
     volume = {24},
     number = {1},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1990_24_1_a12/}
}