@article{oai:soar-ir.repo.nii.ac.jp:00017610,
 author = {NISHIKAWA,  Akira},
 journal = {信州大学教養部紀要. 第二部, 自然科学},
 month = {Mar},
 note = {Article, 信州大学教養部紀要. 第二部, 自然科学 9: 1-5(1975)},
 pages = {1--5},
 title = {ON THE GROUP ISOMORPHISM OF E(C, A) WITH H¹(G,HOM_K(C,A))},
 volume = {9},
 year = {1975}
}