Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Warshauer, Max L. (Max Leon)",The Witt group of degree k maps and asymmetric inner product spaces,,Springer-Verlag,1982,Lecture notes in mathematics,,"3540112014,0387112014",,https://cir.nii.ac.jp/crid/1130000796042025216