Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Hasegawa Kenji,Propagation of micro-analyticities of solutions to some class of linear differential equations with non-involutive double characteristics,"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",00408980,"Faculty of Science, The University of Tokyo",1989,36,1,19-41,https://cir.nii.ac.jp/crid/1390290699578680576,https://doi.org/10.15083/00039431