TY - JOUR AU - Ivanov, Kamen AU - Petrushev, Pencho TI - The legacy of Vasil A. Popov – teacher, colleague and friend JO - Mathematics and Education in Mathematics PY - 2022 SP - 20 EP - 23 VL - 51 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MEM_2022_51_a1/ LA - bg ID - MEM_2022_51_a1 ER -