Voir la notice de l'article provenant de la source Math-Net.Ru
@article{FAA_1985_19_2_a8, author = {M. S. Brodskii}, title = {Direct sum of integration operators}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {70--71}, publisher = {mathdoc}, volume = {19}, number = {2}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1985_19_2_a8/} }
M. S. Brodskii. Direct sum of integration operators. Funkcionalʹnyj analiz i ego priloženiâ, Tome 19 (1985) no. 2, pp. 70-71. http://geodesic.mathdoc.fr/item/FAA_1985_19_2_a8/