00924nam0-22003491i-450-99000143448040332120131203111906.00-387-94203-3000143448FED01000143448(Aleph)000143448FED0100014344820001205d1995----km-y0itay50------baengUSIntroduction to pertubation methodsMark H. HolmesNew YorkSpringerc1995xiii, 337 p.ill.25 cmTexts in applied mathematics20Perturbazioni515.35Holmes,Mark H.61979ITUNINARICAUNIMARCBK990001434480403321C-63-(2016254.MA1MA135C2034E1035B27Introduction to pertubation methods375044UNINA