TY  - JOUR
AU  - . Redaktor
TI  - Summaries
JO  - Mathematica Applicanda
PY  - 1990
SP  -  117
EP  - 119
VL  - 18
IS  - 32
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.14708/ma.v18i32.1742/
DO  - 10.14708/ma.v18i32.1742
LA  - pl
ID  - 10_14708_ma_v18i32_1742
ER  -