@article{oai:repository.dl.itc.u-tokyo.ac.jp:00040251, author = {Tanaka, Hitoshi}, issue = {2}, journal = {Journal of mathematical sciences, the University of Tokyo}, month = {}, note = {application/pdf}, pages = {315--333}, title = {Some Weighted Inequalities for the Kakeya Maximal Operator on Functions of Product Type}, volume = {6}, year = {1999} }