@article{oai:repository.dl.itc.u-tokyo.ac.jp:00039697,
 author = {Otani, Mitsuharu and Fujita, H.},
 issue = {3},
 journal = {Journal of the Faculty of Science, the University of Tokyo. Sect. 1 A, Mathematics = 東京大学理学部紀要. 第1類A, 数学},
 month = {Dec},
 note = {application/pdf},
 pages = {575--605},
 title = {On existence of strong solutions for $\frac{{du}}{{dt}}(t)+\partial\varphi^1(u(t))-\partial\varphi^2(u(t))\mathrel\backepsilon f(t)$},
 volume = {24},
 year = {1977}
}