Coppel, W. A. A survey of quadratic systems. (English) Zbl 0143.11903 J. Differ. Equations 2, 293-304 (1966). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 124 Documents Keywords:ordinary differential equations PDF BibTeX XML Cite \textit{W. A. Coppel}, J. Differ. 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It attempts to reflect the references listed in the original paper as accurately as possible without claiming the completeness or perfect precision of the matching.