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 "南, 就将",Statistics for the Number of vertices of Galton-Watson trees,,"Institute of Mathematics, University of Tsukuba",2004,Mathematical research note,,,,https://cir.nii.ac.jp/crid/1130000798000093696