GAIDYS, Antanas. Impressions from a Visit to the US Universities. Problemos, [S. l.], v. 21, p. 99–101, 1978. DOI: 10.15388/Problemos.1978.21.6218. Disponível em: https://www.journals.vu.lt/problemos/article/view/6218.. Acesso em: 3 may. 2024.