TY - BOOK AU - Leonov,G.A. AU - Burkin,I.M. AU - Shepeliavyi,A.I. TI - Frequency methods in oscillation theory SN - 0792338960 : U1 - 519.532 PY - 1996/// CY - Dordrecht PB - Kluwer Academic Publishers KW - Oscillations KW - Differential equations N1 - Translation of : Chastotnye metody v teorii kolebanii; Translated from the Russian; Includes bibliographical references and index ER -