1. Adams, D.R.: Lectures on $$L^p$$-potential theory. University of Umeå. Preprint No. 2, pp. 1–74 (1981)
2. Almeida, A., Drihem, D.: Maximal, potential and singular type operators on Herz spaces with variable exponents. J. Math. Anal. Appl. 394(2), 781–795 (2012)
3. Burenkov, V.I.: Recent progress in studying the boundedness of classical operators of real analysis in general Morrey-type spaces. I. Eurasian Math. J. 3(3), 11–32 (2012)
4. Burenkov, V.I.: Recent progress in studying the boundedness of classical operators of real analysis in general Morrey-type spaces. II. Eurasian Math. J. 4(1), 21–45 (2013)
5. Burenkov, V.I., Guliyevv, H.V.: Necessary and sufficient conditions for boundedness of the maximal operator in local Morrey-type spaces. Stud. Math. 163(2), 157–176 (2004)