@article{oai:tsukuba.repo.nii.ac.jp:00018650, author = {木下, 保 and KINOSHITA, Tamotu and Reissig, Michael}, issue = {3}, journal = {Journal of differential equations}, month = {Feb}, pages = {470--500}, title = {The Log-effect for 2 by 2 hyperbolic systems}, volume = {248}, year = {2010}, yomi = {キノシタ, タモツ} }