PEKARSKAS, Vidmantas; PEKARSKIENĖ, Aldona. The life and activities of Jonas Matulionis. Lietuvos matematikos rinkinys, [S. l.], v. 45, n. spec., p. 234–238, 2023. DOI: 10.15388/LMR.2005.26652. Disponível em: https://www.journals.vu.lt/LMR/article/view/26652.. Acesso em: 19 jul. 2024.