02003nam 2200517 450 991078889160332120170821171521.01-4704-0352-8(CKB)3360000000464389(EBL)3113625(SSID)ssj0000973430(PQKBManifestationID)11539965(PQKBTitleCode)TC0000973430(PQKBWorkID)10959981(PQKB)11024432(MiAaPQ)EBC3113625(RPAM)3682550(PPN)195410882(EXLCZ)99336000000046438920780626h19781978 uy| 0engur|n|---|||||txtccrDifferential-delay equations with two time lags /Roger D. NussbaumProvidence, Rhode Island :American Mathematical Society,[1978]©19781 online resource (71 p.)Memoirs of the American Mathematical Society ;volume 16, issue 1, number 205 (September 1978)Description based upon print version of record.0-8218-2205-5 Includes bibliographical references.""Table of Contents""; ""Abstract""; ""Introduction""; ""Chapter I. Periodic solutions of x'(t)=-αf(x(t-1))-βf(x(t-2))""; ""Chapter II. Multiple periodic solutions of period greater than γ""; ""Chapter III. The characteristic equation z+ e[sup(-z)]+ e[sup(-z)]=0""; ""Chapter IV. An example: x'(t)=[-αx(t-1)-βx(t-2)][1-(x(t))2]""; ""References""Memoirs of the American Mathematical Society ;number 205.Delay differential equationsDelay differential equations.515/.35Nussbaum Roger D.1944-56078MiAaPQMiAaPQMiAaPQBOOK9910788891603321Differential-delay equations with two time lags3799707UNINA