Sommerfeld, A., & Straus, E. G. (1949). Partial differential equations in physics: Lectures on theoretical physics, Vol VI. New York: Academic Press.
Παραπομπή Chicago StyleSommerfeld, Arnold, and Ernst G. Straus. Partial Differential Equations in Physics: Lectures On Theoretical Physics, Vol VI. New York: Academic Press, 1949.
Παραπομπή MLASommerfeld, Arnold, and Ernst G. Straus. Partial Differential Equations in Physics: Lectures On Theoretical Physics, Vol VI. New York: Academic Press, 1949.
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