@article{SAF_1978-1979____A5_0,
     author = {Gatesoupe, M.},
     title = {Probl\`emes de compl\'ementation de sous-alg\`ebres dans l'alg\`ebre des s\'eries de {Fourier} en deux variables absolument convergentes},
     journal = {S\'eminaire d'Analyse fonctionnelle (dit "Maurey-Schwartz")},
     note = {talk:5},
     pages = {1--13},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1978-1979},
     language = {fr},
     url = {http://www.numdam.org/item/SAF_1978-1979____A5_0/}
}