Voir la notice de l'article provenant de la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts
@article{MV_1972_24_1_a40, author = {H. Johnen}, title = {Inequalities connected with the moduli of smootness}, journal = {Matemati\v{c}ki vesnik}, pages = {289 }, publisher = {mathdoc}, volume = {24}, number = {1}, year = {1972}, url = {http://geodesic.mathdoc.fr/item/MV_1972_24_1_a40/} }
H. Johnen. Inequalities connected with the moduli of smootness. Matematički vesnik, Tome 24 (1972) no. 1, p. 289 . http://geodesic.mathdoc.fr/item/MV_1972_24_1_a40/