@article{GDZPPN002402580, title = {Bol Quasi-Fields and Pappus' Theorem.}, journal = {Mathematische Zeitschrift}, volume = {105}, year = {1968}, pages = {351-364}, zbl = {0159.49803}, url = {http://dml.mathdoc.fr/item/GDZPPN002402580} }
Burn, R.P. Bol Quasi-Fields and Pappus' Theorem.. Mathematische Zeitschrift, Tome 105 (1968) pp. 351-364. http://gdmltest.u-ga.fr/item/GDZPPN002402580/