Н.ИСМАИЛОВА. О НЕКОТОРЫХ ПРИМЕНЕНИЯХ НЕРАВЕНСТВА А. ОППЕНГЕЙМА . European Journal of Interdisciplinary Research and Development , [S. l.], v. 3, p. 184–188, 2022. Disponível em: https://ejird.journalspark.org/index.php/ejird/article/view/53. Acesso em: 10 jan. 2025.