TY - JOUR AU - Radim Síp TI - Comments on the article Cognitive principles of genetic constructivism by Ladislav Kvasz and Derek Pilous JO - Didactica Mathematicae PY - 2020 SP - 39 EP - 44 VL - 42 UR - http://geodesic.mathdoc.fr/articles/10.14708/dm.v42i0.7063/ DO - 10.14708/dm.v42i0.7063 LA - pl ID - 10_14708_dm_v42i0_7063 ER -