Khelgu khazarskogo dokumenta
Subtitle: po povodu stati̕ L.IA. Lavrovskogo "Oleg i Khelgu khazarskogo dokumentu"
Published: 1938
Place of publication: V Praze
Language: cze
Number of pages: 200
Notes: Reprinted from Slavia, roč. 15 (1938) seš. 2.