TY  - JOUR
AU  - by editors
TI  - Anna Zofia Krygowska 30th anniversary of death
JO  - Didactica Mathematicae
PY  - 2018
SP  -  159
EP  - 161
VL  - 40
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.14708/dm.v40i0.6457/
DO  - 10.14708/dm.v40i0.6457
LA  - pl
ID  - 10_14708_dm_v40i0_6457
ER  -