@article{oai:ynu.repo.nii.ac.jp:00006589, author = {Osterburg, James}, journal = {Yokohama Mathematical Journal = 横濱市立大學紀要. D部門, 数学}, month = {}, note = {application/pdf}, pages = {57--61}, title = {SOME REMARKS ON THE CROSSED PRODUCT}, volume = {24}, year = {1976} }