For citations:

Senin A.S. An important Eurasian root: Review of the collection of documents “Ulan-Batorskaya zheleznaya doroga. Istoriya i sovremennost’” [The Ulaanbaatar Railway. History and modernity] (Moscow: Kuchkovo Pole: Museon, 2024. 512 p.). History and Archives. 2026;8(2):233-243. (In Russ.) https://doi.org/10.28995/2658-6541-2026-8-2-233-243