@article{GDZPPN002404079, title = {Projective Planes over Bol Quasi-fields.}, journal = {Mathematische Zeitschrift}, volume = {111}, year = {1969}, pages = {53-65}, zbl = {0174.23602}, url = {http://dml.mathdoc.fr/item/GDZPPN002404079} }
Kallaher, Michael J. Projective Planes over Bol Quasi-fields.. Mathematische Zeitschrift, Tome 111 (1969) pp. 53-65. http://gdmltest.u-ga.fr/item/GDZPPN002404079/