Voir la notice de l'article provenant de la source Mathematicac Balkanica website
@article{MABA_1990_4_2_a8, author = {M. Ouannasser}, title = {A {Remark} on the {Class} {A1} (in {French)}}, journal = {Mathematica balkanica}, pages = {203}, publisher = {mathdoc}, volume = {4}, number = {2}, year = {1990}, url = {http://geodesic.mathdoc.fr/item/MABA_1990_4_2_a8/} }
M. Ouannasser. A Remark on the Class A1 (in French). Mathematica balkanica, Tome 4 (1990) no. 2, p. 203. http://geodesic.mathdoc.fr/item/MABA_1990_4_2_a8/