@article{FAA_1970_4_4_a13,
     author = {Yu. I. Petunin},
     title = {Factorization of scales of {Banach} spaces},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {81--82},
     publisher = {mathdoc},
     volume = {4},
     number = {4},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1970_4_4_a13/}
}