On the basis property of the system of exponentials and trigonometric systems of sine and cosine functions in weighted grand Lebesgue spaces. (English. Russian original) Zbl 07908862
Mosc. Univ. Math. Bull. 79, No. 2, 85-97 (2024); translation from Vestn. Mosk. Univ., Ser. I 79, No. 2, 15-25 (2024).