00478nam a2200145Ia 4500082002000000100003000020245007200050260002500122300002900147490005100176500004600227500000500273700002700278700002700305  a515.35bR854.OD  aRouche, N. and Mawhin, J.  aOrdinary differential equations; stability and periodic solutionsb  aLondonbPitmanc1980  aviii, 260p. Index, Bibl.  aSurveys and reference works in Mathematicsv 5  a"Tr. from the French by R. E. E. Gaines".  a  aMawhin, J. ; jt. auth.  aGaines, R. E. E. ; tr.