Mathematical modeling of the melt heating processes in a furnace, producing flat glass. Annual of Sofia University St. Kliment Ohridski. Faculty of Mathematics and Informatics, [S. l.], v. 92, p. 123–133, 2000. Disponível em: https://annual.uni-sofia.bg/index.php/fmi/article/view/259. Acesso em: 14 dec. 2025.