APYNIS, Antanas; STANKUS, Eugenijus. School mathematics and studies at university. Lietuvos matematikos rinkinys, [S. l.], v. 45, n. spec., p. 247–249, 2005. DOI: 10.15388/LMR.2005.26654. Disponível em: https://www.journals.vu.lt/LMR/article/view/26654.. Acesso em: 10 may. 2024.