@article{SC_1967-1968__7_1_A2_0,
     author = {Van der Oord, Eric},
     title = {Indice d{\textquoteright}une application lin\'eaire. {Th\'eor\`eme} de {Riesz.} {Op\'erateurs} compacts dans $L^2$},
     journal = {S\'eminaire Choquet. Initiation \`a l'analyse},
     note = {talk:A1},
     pages = {A1--A8},
     publisher = {Secr\'etariat math\'ematique},
     volume = {7},
     number = {1},
     year = {1967-1968},
     zbl = {0181.13505},
     language = {fr},
     url = {http://www.numdam.org/item/SC_1967-1968__7_1_A2_0/}
}