TY  - JOUR
AU  - Jerzy Grzybowski
AU  - Diethard Pallaschke
AU  - Ryszard Urbański
TI  - Algebraic Separation and Shadowing of Arbitrary Sets
JO  - Commentationes Mathematicae
PY  - 2013
SP  -  155−164
VL  - 53
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.14708/cm.v53i2.781/
DO  - 10.14708/cm.v53i2.781
LA  - pl
ID  - 10_14708_cm_v53i2_781
ER  -