@article{oai:repository.dl.itc.u-tokyo.ac.jp:00041085,
 author = {Nakamura, Tokushi},
 journal = {Scientific papers of the College of General Education, University of Tokyo},
 month = {},
 note = {application/pdf},
 pages = {1--16},
 title = {Equivalence between Two Definitions of the Cohomology Operations},
 volume = {9},
 year = {1959}
}