Temirkhanova, A., D. Sarsenaly, and M. Sarybai. “WEIGHTED ESTIMATES FOR DISCRETE ITERATED HARDY OPERATOR”. Bulletin of Abai KazNPU. Series of Physical and Mathematical Sciences, vol. 80, no. 4, Dec. 2022, pp. 42-53, doi:10.51889/6031.2022.88.26.005.