01181nam a2200337 i 450099100102361970753620020507105246.0000121s1981 us ||| | eng 0471310131166700b10162896-39ule_instLE00640900ExLDip.to Fisicaita53.1.3510.34515.3'5QA371.N32Nayfeh, Ali Hasan442474Introduction to perturbation techniques /Ali Hasan NayfehNew York :John Wiley & Sons,1981xiv, 519 p. :ill. ;23 cm.Wiley classics libraryIncludes bibliography and index.Differential equations-Numerical solutionsEquations-Numerical solutionsPerturbation (Mathematics).b1016289617-02-1727-06-02991001023619707536LE006 510.34/510.39 NAY12006000080330le006-E0.00-l- 00000.i1019732127-06-02Introduction to perturbation techniques83618UNISALENTOle00601-01-00ma -engus 01