no. 4
Converse results in the Walsh theory of overconvergence
ESAIM: Modélisation mathématique et analyse numérique, Tome 19 (1985) no. 4, pp. 601-609 
@article{M2AN_1985__19_4_601_0,
     author = {Cavaretta, A. S. and Sharma, A. Jr. and Varga, R. S.},
     title = {Converse results in the {Walsh} theory of overconvergence},
     journal = {ESAIM: Mod\'elisation math\'ematique et analyse num\'erique},
     pages = {601--609},
     year = {1985},
     publisher = {AFCET - Gauthier-Villars},
     address = {Paris},
     volume = {19},
     number = {4},
     mrnumber = {826226},
     zbl = {0578.41003},
     language = {en},
     url = {https://www.numdam.org/item/M2AN_1985__19_4_601_0/}
}
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Cavaretta, A. S.; Sharma, A. Jr.; Varga, R. S. Converse results in the Walsh theory of overconvergence. ESAIM: Modélisation mathématique et analyse numérique, Tome 19 (1985) no. 4, pp. 601-609. https://www.numdam.org/item/M2AN_1985__19_4_601_0/

[1] A. S. Cavaretta, Jr., A. Sharma and R. S. Varga, An extension of a theorem of J. L. Walsh, Resultate der Mathematik 3 (1980), 155-191. | Zbl | MR

[2] T. J. Rivlin, On Walsh equiconvergence, J. Approximation Theory 36 (1982), 334-345. | Zbl | MR

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[4] J. Szabados, Converse results in the theory of overconvergence of complex inter-polating polynomials, Analysis 2 (1982), 267-280. | Zbl | MR

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