SpringerLink (Online service) & Reyn, J. (2007). Phase portraits of planar quadratic systems. Springer Science+Business Media, LLC.
Cita Chicago Style (17a ed.)SpringerLink (Online service) y John Reyn. Phase Portraits of Planar Quadratic Systems. Norwell: Springer Science+Business Media, LLC, 2007.
Cita MLA (8a ed.)SpringerLink (Online service) y John Reyn. Phase Portraits of Planar Quadratic Systems. Springer Science+Business Media, LLC, 2007.
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