TY  - JOUR
AU  - Władysław Wilczyński
TI  - On the family of sets of approximate limit numbers
JO  - Fundamenta Mathematicae
PY  - 1972
SP  - 169
EP  - 174
VL  - 75
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-75-2-169-174/
DO  - 10.4064/fm-75-2-169-174
LA  - en
ID  - 10_4064_fm_75_2_169_174
ER  -