Voir la notice de l'article provenant de la source Mathematicac Balkanica website
@article{MABA_2003_17_1-2_a4, author = {Y. Q. Yan}, title = {On the {Nonsquare} {Constants} of {L(\ensuremath{\Phi})[0,+\ensuremath{\infty})}}, journal = {Mathematica balkanica}, pages = {49}, publisher = {mathdoc}, volume = {17}, number = {1-2}, year = {2003}, url = {http://geodesic.mathdoc.fr/item/MABA_2003_17_1-2_a4/} }
Y. Q. Yan. On the Nonsquare Constants of L(Φ)[0,+∞). Mathematica balkanica, Tome 17 (2003) no. 1-2, p. 49. http://geodesic.mathdoc.fr/item/MABA_2003_17_1-2_a4/