1. Guliyev, VS: Boundedness of the maximal, potential and singular operators in the generalized Morrey spaces. J. Inequal. Appl. 2009, Article ID 503948 (2009)
2. Nakai, E: A characterization of pointwise multipliers on the Morrey spaces. Sci. Math. 3, 445-454 (2000)
3. AIP Conf. Proc.;L-E Persson,2012
4. Orlicz, W: Über eine gewisse Klasse von Räumen vom Typus B. Bull. Acad. Pol. A, 207-220 (1932); reprinted in: Collected Papers, PWN, Warszawa, 217-230 (1988)
5. Orlicz, W: Über Räume ( L M ) $(L^{M})$ . Bull. Acad. Pol. A, 93-107 (1936); reprinted in: Collected Papers, PWN, Warszawa, 345-359 (1988)