Geodesic
Multilevel interpolations for the generalized Nikishin system on a tree graph
Trudy Moskovskogo matematičeskogo obŝestva, Trudy Moskovskogo Matematicheskogo Obshchestva, Tome 83 (2022) no. 2, pp. 345-361.

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We study a multilevel interpolation problem for a system of Markov functions defined by a tree graph. The normality of all indices has been proven. Asymptotic properties are studied in terms of the vector equilibrium problem for logarithmic potential. 
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V. G. Lysov. Multilevel interpolations for the generalized Nikishin system on a tree graph. Trudy Moskovskogo matematičeskogo obŝestva, Trudy Moskovskogo Matematicheskogo Obshchestva, Tome 83 (2022) no. 2, pp. 345-361. http://geodesic.mathdoc.fr/item/MMO_2022_83_2_a6/

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