TY - JOUR AU - N. A. Rashevsky TI - Graphs as visual models for conditional probability problems JO - Matematičeskoe obrazovanie PY - 2018 SP - 50 EP - 60 VL - 88 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MO_2018_88_4_a6/ LA - ru ID - MO_2018_88_4_a6 ER -