TY - JOUR AU - Slavtchova-Bojkova, Maroussia TI - Eightieth anniversary of Professor Nikolay Yanev JO - Mathematics and Education in Mathematics PY - 2024 SP - 203 EP - 208 VL - 53 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MEM_2024_53_a21/ LA - bg ID - MEM_2024_53_a21 ER -