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monografia Rebiun03603497 https://catalogo.rebiun.org/rebiun/record/Rebiun03603497 A10218s1992 xxu || 000|0 eng d 0-8218-4551-9 UM0377544 CBUC 991007625809706706 UIB 24068156 BUS Qualitative theory of differential equations Zhang Zhi-fen...[et al.] ; translated by Anthony Wing-Kwok Leung American Mathematical Society, Providence, R.I. 1992 Providence, R.I. American Mathematical Society, Providence, R.I. xiv, 461 p. ; 26 cm xiv, 461 p. ; 26 cm Translation of Mathematical Monographs 101 Ecuaciones diferenciales Zhang, Zhi-fen colaborador