%0 Journal Article %1 Ryser1968246 %A Ryser, H.J %D 1968 %J Journal of Algebra %K combinatorics %N 2 %P 246 - 261 %R 10.1016/0021-8693(68)90099-9 %T An extension of a theorem of de Bruijn and Erdös on combinatorial designs %V 10

@article{Ryser1968246, added-at = {2013-09-19T01:02:21.000+0200}, author = {Ryser, H.J}, biburl = {https://www.bibsonomy.org/bibtex/2924304eb738456dd48e46d85c8437965/ytyoun}, doi = {10.1016/0021-8693(68)90099-9}, interhash = {63bbbe710cfd18e0b3dc9bece9130901}, intrahash = {924304eb738456dd48e46d85c8437965}, issn = {0021-8693}, journal = {Journal of Algebra }, keywords = {combinatorics}, number = 2, pages = {246 - 261}, timestamp = {2013-09-19T01:02:21.000+0200}, title = {An extension of a theorem of de Bruijn and Erdös on combinatorial designs }, volume = 10, year = 1968 }