TY  - JOUR
AU  - Ostrom, T. G.
TI  - Replaceable Nets, Net Collineations, and Net Extensions
JO  - Canadian journal of mathematics
PY  - 1966
SP  - 666
EP  - 672
VL  - 18
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1966-067-7/
DO  - 10.4153/CJM-1966-067-7
ID  - 10_4153_CJM_1966_067_7
ER  -