1.
Gogoladze L, Tsagareishvili V. Convergence of Fourier series of functions $\text{Lip} 1$ with respect to general orthonormal systems. Ukr. Mat. Zhurn. [Internet]. 2017 Apr. 25 [cited 2025 Apr. 13];69(4):466-77. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/1710