TY  - JOUR
AU  - Michał Marcin Krówczyński
TI  - On a definitional understanding of the root concept
JO  - Didactica Mathematicae
PY  - 2018
SP  -  35
EP  - 63
VL  - 40
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.14708/dm.v40i0.6432/
DO  - 10.14708/dm.v40i0.6432
LA  - pl
ID  - 10_14708_dm_v40i0_6432
ER  -