Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1992_51_4_a18, author = {O. G. Parfenov}, title = {Width of the {Hardy} classes $H^p$ in weighted $L_p$ spaces}, journal = {Matemati\v{c}eskie zametki}, pages = {134--136}, publisher = {mathdoc}, volume = {51}, number = {4}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1992_51_4_a18/} }
O. G. Parfenov. Width of the Hardy classes $H^p$ in weighted $L_p$ spaces. Matematičeskie zametki, Tome 51 (1992) no. 4, pp. 134-136. http://geodesic.mathdoc.fr/item/MZM_1992_51_4_a18/