Субботин, Олег Степанович. “THE MAIN HISTORICAL STAGES OF ARCHITECTURAL AND URBAN DEVELOPMENT OF SOCHI (XIX – FIRST HALF OF XX CENTURIES)”. Vestnik of Brest State Technical University, no. 1(124) (April 20, 2021): 29–32. Accessed April 5, 2025. https://journal.bstu.by/index.php/bstu_herald/article/view/504.