E. I. Ganzha, “Hypoellipticity of a second-order differential operator with quadratic form of variable sign”, Uspekhi Mat. Nauk, 1986, Volume 41, Issue 4(250),Pages <nobr>215

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Uspekhi Mat. Nauk, 1986 Volume 41, Issue 4(250), Pages 215–216 (Mi rm2126)

This article is cited in 1 paper

In the Moscow Mathematical Society
Communications of the Moscow Mathematical Society

Hypoellipticity of a second-order differential operator with quadratic form of variable sign

E. I. Ganzha

MSC: 47G30, 47L80, 35H10, 35Sxx

Received: 12.01.1986

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English version: Russian Mathematical Surveys, 1986, 41:4, 175–176

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