Diplomatii︠a︡ Svi︠a︡toslava /
Sakharov, Andreĭ Nikolaevich.
Moskva : "Mezhdunarodnye otnoshenii︠a︡",
1991.
Includes bibliographical references (p. 214-[233]) and index.
Sviatoslav Igorʹevich, Grand Duke of Kiev, -972?