Issledovanii︠a︡ po istorii Chuvashii i chuvashskogo naroda
By: [redakt︠s︡ionnai︠a︡ kollegii︠a︡, I.I. Boĭko and others]
Publisher: Chuvashskiĭ gos. institut gumanitarnykh nauk
Published: 1997
Place of publication: Cheboksary
Language: rus
Subjects: Chuvash (Turkic people); History