Geodesic
On the uniform convergence of double Furier--Walsh series
Proceedings of the Yerevan State University. Physical and mathematical sciences, Tome 54 (2020) no. 1, pp. 20-28.

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In this paper a universal function $U\in L^1[0,1)^2$ which with respect to the double Walsh system has universal property in the sense of modification, is constructed.
Keywords: universal function, uniformly convergence, Furier–Walsh series. 
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M. G. Grigoryan; A. L. Ghazaryan; G. G. Kazaryan. On the uniform convergence of double Furier--Walsh series. Proceedings of the Yerevan State University. Physical and mathematical sciences, Tome 54 (2020) no. 1, pp. 20-28. http://geodesic.mathdoc.fr/item/UZERU_2020_54_1_a2/

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