@article{oai:ir.kagoshima-u.ac.jp:00010060, author = {ATAKI, M and 安宅, 正継 and SAKAI, M and 酒井, 宦}, journal = {鹿児島大学理学部紀要. 数学・物理学・化学, Reports of the Faculty of Science, Kagoshima University. Mathematics, physics, chemistry}, month = {Dec}, pages = {1--12}, title = {A SHAPE-PRESERVING AREA-TRUE APPROXIMATION OF HISTOGRAM}, volume = {21}, year = {1988} }