@article{oai:tsukuba.repo.nii.ac.jp:00015905, author = {Kwon, Jung-Hwan}, issue = {1}, journal = {Tsukuba Journal of Mathematics}, month = {Jun}, pages = {249--258}, title = {Semi-invariant submanifolds of codimension 3 with harmonic curvature}, volume = {12}, year = {1988} }