Mat. Zametki, 1973 Volume 13, Issue 2, Pages 189–194
(Mi mzm7088)
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A generalization of a theorem of Lewy on harmonic mappings
M. Naser Polytechnic Institute, Kabul, Afghanistan
Abstract:
It is shown that every one-to-one pluriharmonic mapping of a neighborhood of
$0\in R^4$ into itself has nonvanishing Jacobian.
UDC:
517.5
Received: 24.05.1972
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