TY  - JOUR
AU  - Havel, Václav
TI  - A general coordinatization principle for projective planes with comparison of Hall and Hughes frames and with examples of generalized oval frames
JO  - Czechoslovak Mathematical Journal
PY  - 1974
SP  - 664
EP  - 673
VL  - 24
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1974.101281/
DO  - 10.21136/CMJ.1974.101281
LA  - en
ID  - 10_21136_CMJ_1974_101281
ER  -