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 "Page, Stanley Stephen",On hochschild extensions and stability of subalgecbras [i.e.subalgebras] in the deformation theory,,University Microfilms,1967,O-P book,,,,https://cir.nii.ac.jp/crid/1130282272428239744