@article{1200778038, author = {Yoshizawa, Mitsuo}, title = {Block intersection numbers of block designs. II}, journal = {Osaka J. Math.}, volume = {22}, number = {1}, year = {1985}, pages = { 99-105}, language = {en}, url = {http://dml.mathdoc.fr/item/1200778038} }
Yoshizawa, Mitsuo. Block intersection numbers of block designs. II. Osaka J. Math., Tome 22 (1985) no. 1, pp. 99-105. http://gdmltest.u-ga.fr/item/1200778038/