Nauchnye trudy.
Ambart︠s︡umi︠a︡n, V. A.(Viktor Amazaspovich)
Erevan : Izdatel'stvo an Armianskoi SSR,
1960-
At head of title, v. 1- : Akademii︠a︡ nauk Armi︠a︡nskoĭ SSR.
Title on added t.p: Gitakan ashkhatutʻyunner.
Includes bibliographies.
Astronomy.