@article{oai:ismrepo.ism.ac.jp:00032365, author = {渋谷, 政昭 and Shibuya, Masaaki}, issue = {2}, journal = {統計数理研究所彙報}, month = {Mar}, pages = {109--131}, title = {一般逆行列(I)}, volume = {17}, year = {1970} }