Voir la notice de l'article provenant de la source Mathematicac Balkanica website
@article{MABA_2013_27_1-2_a4, author = {X. Krasniqi}, title = {On the {Mixed} {Modulus} of {Smoothness} and a {Class} of {Double} {Fourier} {Series}}, journal = {Mathematica balkanica}, pages = {53}, publisher = {mathdoc}, volume = {27}, number = {1-2}, year = {2013}, url = {http://geodesic.mathdoc.fr/item/MABA_2013_27_1-2_a4/} }
X. Krasniqi. On the Mixed Modulus of Smoothness and a Class of Double Fourier Series. Mathematica balkanica, Tome 27 (2013) no. 1-2, p. 53. http://geodesic.mathdoc.fr/item/MABA_2013_27_1-2_a4/