Hurewicz, W. (1990). Lectures on ordinary differential equations. Dover.
Citazione stile Chigago Style (17a edizione)Hurewicz, Witold. Lectures on Ordinary Differential Equations. Nueva York: Dover, 1990.
Citatione MLA (9a ed.)Hurewicz, Witold. Lectures on Ordinary Differential Equations. Dover, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.