Excitation of non-linear stationary waves in plasma by electron bunches : ЕФИ-269(62)-77 / A.Ts. Amatuni and others ; Yerevan Physics Institute. - Yerevan : Yerevan Physics Institute, 1977. - 14 p. ; 20 cm. - 53 (NLA) . Subjects--Topical Terms: Physics Universal Decimal Class. No.: 53 (NLA)