00798nam0-22002771i-450-990001286900403321000128690FED01000128690(Aleph)000128690FED0100012869020000920d1980----km-y0itay50------baengOrdinary differential equationsStability and Periodic Solutionsby ROUCHE and MAWHINBoston [etc.]Pitman1980Surveys and reference works in mathematicsRouche,Nicolas50279Mawhin,JeanITUNINARICAUNIMARCBK990001286900403321113-A-261810MA1MA1Ordinary differential equations384655UNINAING01