00834nam0-22003011i-450 99000083317040332120190221113443.00-471-08033-0000083317FED01000083317(Aleph)000083317FED0100008331720001010d1981----km-y0itay50------baengy-------001yyIntroduction to perturbation techniquesA. H. NayfehNew YorkJohn Wiley & Sons1981XIV, 519 p.23 cm515.35Nayfeh,Ali Hasan<1933- >21715ITUNINARICAUNIMARCBK99000083317040332102 67 D 53494FINBNFINBNIntroduction to Perturbation Techniques348366UNINAING01