Balakrishnan, A. V. (1969). Control theory and the calculus of variations. Academic press.
استشهاد بنمط شيكاغوBalakrishnan, A V. Control Theory and the Calculus of Variations. New York: Academic press, 1969.
MLA استشهادBalakrishnan, A V. Control Theory and the Calculus of Variations. Academic press, 1969.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.