Forsyth, A. R. (1903). Treatise on differential equations.-3rded (3d ed.). Macmillan and co., limited; The Macmillan company.
Dyfyniad Arddull ChicagoForsyth, Andrew Russell. Treatise on Differential Equations.-3rded. 3d ed. London, New York: Macmillan and co., limited; The Macmillan company, 1903.
Dyfyniad MLAForsyth, Andrew Russell. Treatise on Differential Equations.-3rded. 3d ed. Macmillan and co., limited; The Macmillan company, 1903.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.