@article{1183501912,
author = {Warnock, W. G.},
title = {Triple systems as ruled quadrics},
journal = {Bull. Amer. Math. Soc.},
volume = {45},
number = {11},
year = {1939},
pages = { 476-480},
language = {en},
url = {http://dml.mathdoc.fr/item/1183501912}
}
Warnock, W. G. Triple systems as ruled quadrics. Bull. Amer. Math. Soc., Tome 45 (1939) no. 11, pp. 476-480. http://gdmltest.u-ga.fr/item/1183501912/