Sitkovskiy AM (2026) Age–sex heterogeneity among Russia’s indigenous small-numbered peoples: a census-based typology and the statistical core-region condition. Front. Hum. Dyn. 8:1788558. doi: 10.3389 ... Ситковский А.М.Sitkovskiy AM (2026) Age–sex heterogeneity among Russia’s indigenous small-numbered peoples: a census-based typology and the statistical core-region condition. Front. Hum. Dyn. 8:1788558. doi: 10.3389/fhumd.2026.1788558ISSN 2673-2726DOI: 10.3389/fhumd.2026.1788558Размещена на сайте: 13.07.26 Поискать полный текст на Google AcademiaСсылка при цитировании:Ситковский А.М. Sitkovskiy AM (2026) Age–sex heterogeneity among Russia’s indigenous small-numbered peoples: a census-based typology and the statistical core-region condition. Front. Hum. Dyn. 8:1788558. doi: 10.3389/fhumd.2026.1788558 DOI: 10.3389/fhumd.2026.1788558.