@article{oai:soar-ir.repo.nii.ac.jp:00012267, author = {ASADA, AKIRA}, issue = {1}, journal = {信州大学理学部紀要}, month = {Nov}, note = {Article, 信州大学理学部紀要 4(1): 1-23(1969)}, pages = {1--23}, title = {Algebraic Cohomology of Loop Spaces}, volume = {4}, year = {1969} }