@article{oai:ir.kagoshima-u.ac.jp:00001771, author = {ATSUMI, Tsuyoshi and 厚見, 寅司}, 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 = {33--38}, title = {ON AN INEQUALITY OF RAY-CHAUDHURI AND WILSON FOR t-DESIGNS WITH GROUP ACTION}, volume = {21}, year = {1988} }