Abstract
In this paper, we write eigenfunctions of the generalized gasedynamic problem of Frankl with a nonlocal oddness condition using the Bessel equation. It is proved that the eigenfunctions form a Riesz basis in L 2(D +), where D + is the elliptic part of the domain.
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2000 Mathematics Subject Classification :
Acknowledgements
The work was financially supported by the Russian Foundation for Basic Research (Project no.08-01-00313) and the Program for Support of Leading Scientific Schools (Project no.Nsh-2726.2008.1).