Geodesic
Hermite--Pad\'e approximants and spectral analysis of nonsymmetric operators
Sbornik. Mathematics, Tome 82 (1995) no. 1, pp. 199-216

Voir la notice de l'article provenant de la source Math-Net.Ru

A class of operators related to Hermite–Padé approximants is defined. The spectral analysis of these operators is connected with the asymptotic behavior of polynomials defined by systems of orthogonality relations. 
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     author = {V. A. Kalyagin},
     title = {Hermite--Pad\'e approximants and spectral analysis of nonsymmetric operators},
     journal = {Sbornik. Mathematics},
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V. A. Kalyagin. Hermite--Pad\'e approximants and spectral analysis of nonsymmetric operators. Sbornik. Mathematics, Tome 82 (1995) no. 1, pp. 199-216. http://geodesic.mathdoc.fr/item/SM_1995_82_1_a8/