TY  - JOUR
AU  - Andrzej Kiełbasiński(Redaktor)
TI  - Applied Mathematics
JO  - Mathematica Applicanda
PY  - 1991
SP  -  1
EP  - 2
VL  - 19
IS  - 33
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.14708/ma.v19i33.1774/
DO  - 10.14708/ma.v19i33.1774
LA  - pl
ID  - 10_14708_ma_v19i33_1774
ER  -