@article{FAA_1980_14_4_a8,
     author = {E. I. Berezhnoi},
     title = {Banach spaces, concave functions, and interpolation of linear operators},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {62--63},
     publisher = {mathdoc},
     volume = {14},
     number = {4},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1980_14_4_a8/}
}