RUČINSKAITĖ, I. New Dissertations: A. A. Varanavičius. Problemos, [S. l.], v. 14, p. 127–129, 1974. DOI: 10.15388/Problemos.1974.14.5565. Disponível em: https://www.journals.vu.lt/problemos/article/view/5565. Acesso em: 5 dec. 2025.