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## Multiplicative system of functions corresponding to the group $C\sb 2 \times \Gamma$. (English)

Authors: Kolesnik Alexander

### Abstract

The multiplicative system of functions corresponding to the Cartesian product of the cyclic second order group and the group of rotations of a circumference is constructed which forms an orthogonal basis in the space $L_2[0,1]$.

Institutul de Matematică Academia de Ştiinţe a Moldovei
str. Academiei 5, Chişinău MD-2028, Moldova