http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Two-dimensional manifolds of bounded curvature
Dvumernye mnogoobrazii︠a︡ orgranichennoĭ krivizny, ch. 2 (Romanized form). Αγγλικά
Aleksandrov, A. D. (Aleksandr Danilovich)
edited by A.D. Aleksandrov and V.A. Zalgaller ; [translated from the Russian by J.M. Danskin].
Dvumernye mnogoobrazii︠a︡ orgranichennoĭ krivizny, ch. 2 (Romanized form)
Matematicheskiĭ institut im. V.A. Steklova