Geodesic
Babenko's work on spherical Lebesgue constants
Eurasian mathematical journal, Tome 9 (2018) no. 4, pp. 79-81

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

The idea of this note is two-fold. On the one hand, this is a preface to the publication of English translation of the celebrated K.I. Babenko' preprint. On the other hand, we give a brief background of the topic at that time and in the subsequent years. 
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     author = {E. Liflyand},
     title = {Babenko's work on spherical {Lebesgue} constants},
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E. Liflyand. Babenko's work on spherical Lebesgue constants. Eurasian mathematical journal, Tome 9 (2018) no. 4, pp. 79-81. http://geodesic.mathdoc.fr/item/EMJ_2018_9_4_a5/