@article{oai:tsukuba.repo.nii.ac.jp:00015928, author = {Koyama, Akira}, issue = {1}, journal = {Tsukuba Journal of Mathematics}, month = {Jun}, pages = {115--121}, title = {A characterization of compacta which admit acyclic UVn-1 - resolutions}, volume = {20}, year = {1996} }