TY  - JOUR
AU  - Jachanová, Jaroslava
TI  - On permutable quadratic inversions in plane with two common singular points
JO  - Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
PY  - 1971
SP  - 29
EP  - 36
VL  - 11
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AUPO_1971__11_1_a2/
LA  - en
ID  - AUPO_1971__11_1_a2
ER  -