Troi︠a︡nskie skazanii︠a︡ : srednevekovye rytsarskie romany o troi︠a︡nskoĭ voĭne po russkim rukopisi︠a︡m XVI-XVII vekov /
Tvorogov, Oleg Viktorovich.
Botvinnik, M. M.(Mikhail Moiseevich),1911-1995.
Leningrad : Nauka,
1972.
Romances, Russian.
Russian literature