@article{oai:tsukuba.repo.nii.ac.jp:00017661,
 author = {Kurokawa, Yuki and Takamura, Hiroyuki},
 issue = {2},
 journal = {Tsukuba Journal of Mathematics},
 month = {Dec},
 pages = {417--448},
 title = {A weighted pointwise estimate for two dimensional wave equations and its application to nonlinear systems},
 volume = {27},
 year = {2003}
}