%0 Journal Article %T On Restoring Cantilever Stone Staircases in the Architecture of St. Petersburg. Part 1 %A Weber, M.D. %A Kuznecov, A.V. %K Stone structures, cantilever staircases, hanging staircases, inspection, reconstruction, restoration %J Proceedings of Petersburg Transport University %D 2025 %N 22 %P 21 %I FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"