@article{oai:ynu.repo.nii.ac.jp:00006541, author = {Bryant, Jack and Guseman, L. F. and Peters, JR. and Charles, B.}, issue = {2}, journal = {Yokohama Mathematical Journal = 横濱市立大學紀要. D部門, 数学}, month = {}, note = {application/pdf}, pages = {135--136}, title = {SEQUENTIAL CONDITIONS FOR FIXED AND PERIODIC POINTS}, volume = {20}, year = {1972} }