@article{GDZPPN002408686, title = {(v, k, ...)-Graphs and Polarities of (v, k, ...)-Designs.}, journal = {Mathematische Zeitschrift}, volume = {121}, year = {1971}, pages = {224-230}, zbl = {0202.51201}, url = {http://dml.mathdoc.fr/item/GDZPPN002408686} }
Rudvalis, Arunas. (v, k, ...)-Graphs and Polarities of (v, k, ...)-Designs.. Mathematische Zeitschrift, Tome 121 (1971) pp. 224-230. http://gdmltest.u-ga.fr/item/GDZPPN002408686/