@article{oai:soar-ir.repo.nii.ac.jp:00012797, author = {NAKAMURA, Yatsuka and FUWA, Yasushi and IMURA, Hiroshi}, journal = {信州大学工学部紀要}, month = {Sep}, note = {Article, 信州大学工学部紀要 69: 11-24 (1991)}, pages = {11--24}, title = {A Theory of Finite Topology and Image Processing}, volume = {69}, year = {1991} }