Some properties of eigenfunctions of linear pencils and applications to mixed type operator-differential equations
Banach Center Publications, Tome 27 (1992) no. 2, pp. 373-382.

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In the first part of the paper we study some properties of eigenelements of linear selfadjoint pencils Lu = λBu. In the second part we apply these results to the investigation of some boundary value problems for mixed type second order operator-differential equations.
DOI : 10.4064/-27-2-373-382

S. Pyatkov 1

1
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S. Pyatkov. Some properties of eigenfunctions of linear pencils and applications to mixed type operator-differential equations. Banach Center Publications, Tome 27 (1992) no. 2, pp. 373-382. doi : 10.4064/-27-2-373-382. http://geodesic.mathdoc.fr/articles/10.4064/-27-2-373-382/

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