Portoian, Sylva Arches of Symphonious 'Sabre Dance' of the ballet Gayane / Sylva Portoian. - [Yerevan : S.n., 2017]. - 131 pages : illustrations ; 22 cm. - 78.085.5(NLA) . Includes index Subjects--Topical Terms: American poetry Universal Decimal Class. No.: 78.085.5(NLA)