@article{GDZPPN002031752, title = {A universal algebra approach to free projective planes.}, journal = {Aequationes mathematicae}, volume = {19}, year = {1979}, pages = {48-52}, zbl = {0413.51001}, url = {http://dml.mathdoc.fr/item/GDZPPN002031752} }
Kim, Ki Hang; Roush, Fred W. A universal algebra approach to free projective planes.. Aequationes mathematicae, Tome 19 (1979) pp. 48-52. http://gdmltest.u-ga.fr/item/GDZPPN002031752/