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JOURNALS // Sibirskii Matematicheskii Zhurnal // Archive
Sibirsk. Mat. Zh., 1969 Volume 10, Number 3, Pages 685–691 (Mi smj5670)
The zeros of the gradient and the zeros of the Hessian of a harmonic function

A. Yanushauskas


UDC: 517.946

Received: 14.11.1967


 English version: Siberian Mathematical Journal, 1969, 10:3, 497–501

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