@article{Ivashchuk_Zaderei_2011, title={On necessary conditions for the convergence of Fourier series}, volume={63}, url={https://umj.imath.kiev.ua/index.php/umj/article/view/2777}, abstractNote={We obtain necessary conditions for the convergence of multiple Fourier series of integrable functions in the mean.}, number={7}, journal={Ukrains’kyi Matematychnyi Zhurnal}, author={Ivashchuk, O. V. and Zaderei, P. V.}, year={2011}, month={Jul.}, pages={960-968} }