TY  - BOOK
AU  - Berkov,V.F.
ED  - Academy of Sciences of Armenian SSR
ED  - The Scientific Conference Dedicated to the 1500 Anniversary of David the Invincible
TI  - David the Invincible on the Methods of Cognition
PY  - 1980///
CY  - Yerevan
PB  - S. n.
KW  - David the Invincible
KW  - Philosophy
ER  -