RÁKOSNÍK, J.; STANCHEV, P.; PAVLOV, R. Recent Developments in Digital Mathematics Libraries. Digital Presentation and Preservation of Cultural and Scientific Heritage, [S. l.], v. 4, p. 59–65, 2014. DOI: 10.55630/dipp.2014.4.7. Disponível em: https://dipp.math.bas.bg/dipp/article/view/dipp.2014.4.7. Acesso em: 1 may. 2024.