TY - JOUR AU - I. P. Kostenko TI - Yuli V. Pokorny as a thinker and teacher JO - Matematičeskoe obrazovanie PY - 2020 SP - 2 EP - 8 VL - 96 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MO_2020_96_4_a0/ LA - ru ID - MO_2020_96_4_a0 ER -