AŽUBALIS, Algirdas. Juozas Baltūsis – the eminent mathematics teacher in the 20th–60th years of the 20th century in Lithuania. Lietuvos matematikos rinkinys, [S. l.], v. 56, n. B, p. 95–100, 2015. DOI: 10.15388/LMR.B.2015.18. Disponível em: https://www.journals.vu.lt/LMR/article/view/17719.. Acesso em: 4 may. 2024.