1. Reverse isoperimetric inequality in two - dimensional Alexandrov spaces;Alexander Borisenko;Proc Amer Math Soc,2017
2. Closeness to spheres of hypersurfaces with normal curvature bounded below;Alexander Borisenko;Math,2013
3. Convex sets in Hadamard manifolds;Alexander Borisenko;Geom Appl,2002
4. course in Metric Geometry Providence Island;Dmitri Burago,2001
5. Extreme bounds for complete hypersurfaces in Riemannian spaces thesis Institute for Low Temperature Physics and Engineering of the NAS of Ukraine;Kostiantyn Drach,2016