Arnold, V. I. (2009). Ordinary differential equations. PHI Learning.
Chicago Edition CitationArnold, V. I. Ordinary Differential Equations. New Delhi: PHI Learning, 2009.
MLA Edition CitationArnold, V. I. Ordinary Differential Equations. PHI Learning, 2009.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.