Mirzoyan, H.K. David the Invincible and Armenian philosophical thought of the 17th century / H.K. Mirzoyan ; Academy of Sciences of Armenian SSR. - Yerevan : [S. n.], 1980. - 16 p. ; 20 cm. - 1(47.925) (NLA) . Subjects--Personal Names: David the Invincible Subjects--Topical Terms: Philosophy Universal Decimal Class. No.: 1(47.925) (NLA)