TY  - JOUR
AU  - Roman Duda
TI  - Jerzy Urbanowicz (1951-2012)
JO  - Mathematica Applicanda
PY  - 2015
SP  -  305
EP  - 311
VL  - 43
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.14708/ma.v43i2.808/
DO  - 10.14708/ma.v43i2.808
LA  - pl
ID  - 10_14708_ma_v43i2_808
ER  -