Tangency relations for sets in some classes in generalized metric spaces Tadeusz Konik — 1998 Mathematica Slovaca
Some cases of compatibility of the tangency relations of sets. Konik, Tadeusz — 2003 APPS. Applied Sciences
Connections and applications of some tangency relation of sets. Konik, Tadeusz — 2003 Balkan Journal of Geometry and its Applications (BJGA)
The compatibility of the tangency relations of sets in generalized metric spaces. Konik, Tadeusz — 1998 Matematichki Vesnik
On some property of the tangency relation of sets. Konik, Tadeusz — 2007 Balkan Journal of Geometry and its Applications (BJGA)