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JOURNALS // Sibirskii Matematicheskii Zhurnal // Archive
Sibirsk. Mat. Zh., 1980 Volume 21, Number 6, Pages 146–152 (Mi smj3809)
On Lewy's theorem on Hessian zeros of a harmonic function

A. I. Yanushauskas

Institute of Mathematics, Siberian Branch of USSR Academy of Sciences, Novosibirsk

UDC: 517.54

Received: 22.02.1978


 English version: Siberian Mathematical Journal, 1980, 21:6, 861–865

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