著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Filippenko, Vladimir I.",On the reflection of harmonic functions and of solutions of the wave equation across linear differential boundary conditions,,"Dept. of Mathematics, University of California",1963,Technical report,,,,https://cir.nii.ac.jp/crid/1130000796488956800