@article{1077228501, author = {Katz, Nets Hawk}, title = {Maximal operators over arbitrary sets of directions}, journal = {Duke Math. J.}, volume = {100}, number = {1}, year = {1999}, pages = { 67-79}, language = {en}, url = {http://dml.mathdoc.fr/item/1077228501} }
Katz, Nets Hawk. Maximal operators over arbitrary sets of directions. Duke Math. J., Tome 100 (1999) no. 1, pp. 67-79. http://gdmltest.u-ga.fr/item/1077228501/