Burkill, J. C. (1962). Theory of ordinary differential equations (23.).
Chicago Edition CitationBurkill, J C. Theory of Ordinary Differential Equations. 23. Oliver & Boyd, Edinburgh, 1962.
MLA Edition CitationBurkill, J C. Theory of Ordinary Differential Equations. 23. 1962.
Warning: These citations may not always be 100% accurate.