Walsh, J. L. (1950). The location of critical points of analytic and harmonic functions. New York: American Mathematical Society.
Παραπομπή Chicago StyleWalsh, J. L. The Location of Critical Points of Analytic and Harmonic Functions. New York: American Mathematical Society, 1950.
Παραπομπή MLAWalsh, J. L. The Location of Critical Points of Analytic and Harmonic Functions. New York: American Mathematical Society, 1950.
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