Isoperimetric inequalities in the theory of surfaces of bounded external curvature // Semin. Math. Steklov Math.Inst., Leningr., Consult. Bureau: N. Y. 10, 1968 (Transl. from Zap. Nauchn. Semin. LOMI, 10, 1968, 3–204, Zbl. 198, 550).
Geometric inequalities // Springer–Verlag, 1989 (in ser.: Grundlehren der Math. Wissenschaften 285); jointly with V. Zalgaller.
Metrics of curvature bounded above on 2–polyhedra. II // St. Petersburg Math. J. 10:4(1998), 62–112, jointly with S. Buyalo.
A Course in Metric Geometry. GSM, v, 33, 2001, IX + 415 pages, jointly with D. Burago and S. Ivanov.
