Gray, J. (2000). Linear differential equations and group theory from Riemann to Poincare.- 2nd ed. (2nd ed.). Birkhauser.
Chicago Edition CitationGray, Jeremy. Linear Differential Equations and Group Theory from Riemann to Poincare.- 2nd Ed. 2nd ed. Boston: Birkhauser, 2000.
Deismireacht MLAGray, Jeremy. Linear Differential Equations and Group Theory from Riemann to Poincare.- 2nd Ed. 2nd ed. Birkhauser, 2000.
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