Geodesic
On a determinant criterion of weak-perfectness for systems of functions holomorphic in infinity and their connection with some classes of high order difference operators
Fundamentalʹnaâ i prikladnaâ matematika, Tome 1 (1995) no. 3, pp. 711-727 
A. S. Osipov. On a determinant criterion of weak-perfectness for systems of functions holomorphic in infinity and their connection with some classes of high order difference operators. Fundamentalʹnaâ i prikladnaâ matematika, Tome 1 (1995) no. 3, pp. 711-727. http://geodesic.mathdoc.fr/item/FPM_1995_1_3_a9/
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Voir la notice de l'article provenant de la source Math-Net.Ru

A one-to-one correspondence is established between the systems of functions holomorphic in infinity characterized by convergence of their simultaneous Hermit–Pade approximants and some classes of difference operators applied to the integration of nonlinear lattices.

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