Schmitt , K. (1972). Delay and functional differential equations and their applications. Academic press.
Dyfyniad Arddull ChicagoSchmitt , K. Delay and Functional Differential Equations and Their Applications. NewYork: Academic press, 1972.
Dyfyniad MLASchmitt , K. Delay and Functional Differential Equations and Their Applications. Academic press, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.