[7] D. R. Hughes F. C. Piper:
Projective planes. New York-Heidelberg-Berlin 1973.
MR 0333959
[9] G. E. Martin:
Projective planes and isogeic ternary rings. Le Matematiche 23 (1968), 185 -196.
MR 0240716 |
Zbl 0188.24404
[10] L. A. Skornjakov:
Natural fields of a Veblen-Wedderburn projective plane. (Russian). Izv. Ak. nauk SSSR 13 (1949), 447-472.
MR 0031743