TY - BOOK AU - Bobylev,N.A. AU - Burman,YuM. AU - Korovin,S.K. TI - Approximation procedures in nonlinear oscillation theory SN - 9783110885712 (e-book) AV - QA867.5 .B63 1994eb U1 - 003/.85 20 PY - 1994/// CY - Berlin, New York PB - W. de Gruyer KW - Approximation theory KW - Nonlinear oscillations KW - Electronic books N1 - Includes bibliographical references (pages [257]-269) and index UR - http://site.ebrary.com/lib/rucke/Doc?id=10782139 ER -