@article{1200774549, author = {Yoshizawa, Mitsuo}, title = {Block intersection numbers of block designs}, journal = {Osaka J. Math.}, volume = {18}, number = {1}, year = {1981}, pages = { 787-799}, language = {en}, url = {http://dml.mathdoc.fr/item/1200774549} }
Yoshizawa, Mitsuo. Block intersection numbers of block designs. Osaka J. Math., Tome 18 (1981) no. 1, pp. 787-799. http://gdmltest.u-ga.fr/item/1200774549/