TY  - JOUR
AU  - Władysław Kulpa
TI  - L*-operators of convexity
JO  - Mathematica Applicanda
PY  - 2015
SP  -  145
EP  - 156
VL  - 43
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.14708/ma.v43i2.813/
DO  - 10.14708/ma.v43i2.813
LA  - pl
ID  - 10_14708_ma_v43i2_813
ER  -