GRINIUS, Jonas. Letters to Jonas Repšys. Problemos, [S. l.], v. 52, p. 146–163, 1998. DOI: 10.15388/Problemos.1998.52.6942. Disponível em: https://www.journals.vu.lt/problemos/article/view/6942.. Acesso em: 4 may. 2024.