Voir la notice de l'article provenant de la source Mathematicac Balkanica website
@article{MABA_1990_4_3-4_a12, author = {Valerie Martel}, title = {A {Remark} on the {Class} {A} (in {French)}}, journal = {Mathematica balkanica}, pages = {347}, publisher = {mathdoc}, volume = {4}, number = {3-4}, year = {1990}, url = {http://geodesic.mathdoc.fr/item/MABA_1990_4_3-4_a12/} }
Valerie Martel. A Remark on the Class A (in French). Mathematica balkanica, Tome 4 (1990) no. 3-4, p. 347. http://geodesic.mathdoc.fr/item/MABA_1990_4_3-4_a12/