TY  - JOUR
AU  - Marek Kordos
TI  - On the coexistence of various geometries
JO  - Colloquium Mathematicum
PY  - 1989
SP  - 273
EP  - 278
VL  - 57
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-57-2-273-278/
DO  - 10.4064/cm-57-2-273-278
LA  - en
ID  - 10_4064_cm_57_2_273_278
ER  -