Kontaktnye zadachi dli︠a︡ tel s tonkimi pokrytii︠a︡mi i prosloĭkami.
Contributors: Aruti︠u︡ni︠a︡n, N. Kh.; Mkhitari︠a︡n, Suren Manukovich.*
Publisher: Nauka
Published: 1983
Place of publication: Moskva
Language: rus
Number of pages: 487