@article{SL_1958-1959__2__A6_0,
     author = {Koosis, Paul J.},
     title = {Les sous-espaces int\'erieurement compacts de $L_2 (0 , \infty )$},
     journal = {S\'eminaire Lelong. Analyse},
     note = {talk:9},
     pages = {1--4},
     publisher = {Secr\'etariat math\'ematique},
     volume = {2},
     year = {1958-1959},
     language = {fr},
     url = {http://archive.numdam.org/item/SL_1958-1959__2__A6_0/}
}