Voir la notice de l'article provenant de la source Math-Net.Ru
@article{FAA_1979_13_1_a20, author = {L. B. Shapiro}, title = {Regular averaging operators}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {84--85}, publisher = {mathdoc}, volume = {13}, number = {1}, year = {1979}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1979_13_1_a20/} }
L. B. Shapiro. Regular averaging operators. Funkcionalʹnyj analiz i ego priloženiâ, Tome 13 (1979) no. 1, pp. 84-85. http://geodesic.mathdoc.fr/item/FAA_1979_13_1_a20/