01090nam0-22003611i-450-99000143974040332120060927114727.03-540-65904-8000143974FED01000143974(Aleph)000143974FED0100014397420001205d1999----km-y0itay50------baengSymmetry and Perturbation Theory in Nonlinear DynamicsGiampaolo Cicogna, Giuseppe GaetaBerlin [etc.]Springer Verlagc1999XI, 208 p.24 cmLecture Notes in Physics. N.s. M, Monographs57Geometria algebricaTopologiaTopologia algebricaSistemi dinamiciFrattali matematici513Cicogna,Giampaolo62317Gaeta,GiuseppeITUNINARICAUNIMARCBK99000143974040332111-334FD.S.F. 6463FI1FI1Symmetry and perturbation theory in nonlinear dynamics190913UNINA