JASIŪNAS, Henrikas; VERIKAITĖ, Vitolda. The honoured teacher and docent Petras Rumšas (1921 11 02–1987 02 23) merits to Lithuanian school. Lietuvos matematikos rinkinys, [S. l.], v. 47, n. spec., p. 320–328, 2021. DOI: 10.15388/LMR.2007.24222. Disponível em: https://www.journals.vu.lt/LMR/article/view/24222.. Acesso em: 6 may. 2024.