00664    a2200181   4500020001500000040001700015082001100032245014600043246001900189246001600208260006100224300003600285500006800321650004000389700002300429700001400452700001600466  a981023421X  aDLCbEnglish00a515.3510aInternational Conference on Differential Equations : Lisboa, Protugal, 24-29 July 1995 cedited by L. Magalh�aes, C. Rocha, L. Sanchez.1 aEquadi/dtff 951 aEquadiff 95  aSingapore :aRiver Edge, NJ :bWorld Scientific,cc1998.  axviii, 556 p. :bill. ;c23 cm.  aIn at head of title information, "di/dt" appears as a fraction. 0aDifferential equationsxCongresses.1 aMagalhaes, Luis T.1 aRocha, C.1 aSanches, L.