@article{oai:repository.dl.itc.u-tokyo.ac.jp:00039322,
 author = {Gerard, Raymond and Tahara, Hidetoshi},
 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 = {},
 note = {application/pdf},
 pages = {549--560},
 title = {On the existence of holomorphic solutions of the Cauchy problem fir non linear first order  partial differential equations},
 volume = {40},
 year = {1993}
}