RzaevR. M., AliyevaL. R., and HuseinovaL. E. 2021. “Singular Integral Operator in Spaces Defined by a Generalized Oscillation”. Ukrains’kyi Matematychnyi Zhurnal 73 (9), 1231 -44. https://doi.org/10.37863/umzh.v73i9.2278.