@article{oai:tsukuba.repo.nii.ac.jp:00017271, author = {Taniguchi, Tadashi}, issue = {1}, journal = {Tsukuba Journal of Mathematics}, month = {Jun}, pages = {121--129}, title = {Non-c_i-self-dual quaternionic Yang-Mills connections and L_2-gap theory}, volume = {22}, year = {1998} }