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Yu. D. Burago, N. N. Kosovskiĭ, “The trace of $BV$-functions on an irregular subset”, Algebra i Analiz, 22:2 (2010), 105–126; St. Petersburg Math. J., 22:2 (2011), 251–266
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2002
4.
N. N. Kosovskii, “Gluing of Riemannian manifolds of curvature $\geq\kappa$”, Algebra i Analiz, 14:3 (2002), 140–157; St. Petersburg Math. J., 14:3 (2003), 467–478
N. N. Kosovskii, “Gluing of Riemannian manifolds of curvature at most $\kappa$”, Algebra i Analiz, 14:5 (2002), 73–86; St. Petersburg Math. J., 14:5 (2003), 765–773