TY - JOUR AU - Ревалски, Юлиан AU - Савов, Младен TI - Recent developments in modelling COVID-19 pandemic JO - Mathematics and Education in Mathematics PY - 2021 SP - 345 EP - 346 VL - 50 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MEM_2021_50_a40/ LA - en ID - MEM_2021_50_a40 ER -