Friedrichs, K. O. (1965). Lectures on advanced ordinary differential equations. Gordon & Breach Science Publishers.
Dyfyniad Arddull ChicagoFriedrichs, K. O. Lectures on Advanced Ordinary Differential Equations. New York: Gordon & Breach Science Publishers, 1965.
Dyfyniad MLAFriedrichs, K. O. Lectures on Advanced Ordinary Differential Equations. Gordon & Breach Science Publishers, 1965.
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