@article{oai:tsukuba.repo.nii.ac.jp:00016108, author = {Koyama, Akira and Yokoi, Katsuya}, issue = {2}, journal = {Tsukuba Journal of Mathematics}, month = {Dec}, pages = {247--282}, title = {A unified approach of characterizations and resolutions for cohomological dimension modulo p}, volume = {18}, year = {1994} }