Письма Ивара Иваска Б. Л. Пастернаку [Letters of Ivar Ivask to Boris Pasternak]. Slavica Revalensia, [S. l.], v. 7, p. 204–232, 2020. DOI: 10.22601/SR.2020.07.06. Disponível em: https://publications.tlulib.ee/index.php/slavica/article/view/322. Acesso em: 20 jul. 2025.