@article{FAA_1967_1_3_a14,
     author = {S. Yu. Rotfeld},
     title = {Remarks on the singular numbers of a sum of completely continuous operators},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {95--96},
     publisher = {mathdoc},
     volume = {1},
     number = {3},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1967_1_3_a14/}
}