[1] Arsenović, M., Kojić, V., Mateljević, M.: 
On Lipschitz continuity of harmonic quasiregular maps on the unit ball in $\mathbb R^n$. Ann. Acad. Sci. Fenn., Math. 33 (2008), 315-318. 
MR 2386855 | 
Zbl 1140.31003 
[14] Karapetyants, A., Samko, S.: 
Mixed norm spaces of analytic functions as spaces of generalized fractional derivatives of functions in Hardy type spaces. Fract. Calc. Appl. Anal. 20 (2017), 1106-1130. 
DOI 10.1515/fca-2017-0059 | 
MR 3721891 | 
Zbl 1386.30052 
[15] Karapetyants, A., Samko, S.: 
On boundedness of Bergman projection operators in Banach spaces of holomorphic functions in half-plane and harmonic functions in half-space. J. Math. Sci., New York 226 (2017), 344-354. 
DOI 10.1007/s10958-017-3538-6 | 
MR 3705149 | 
Zbl 1386.30051 
[18] Kokilashvili, V., Meskhi, A., Rafeiro, H., Samko, S.: 
Integral Operators in Non-Standard Function Spaces. Volume 1. Variable Exponent Lebesgue and Amalgam Spaces. Operator Theory: Advances and Applications 248, Birkhäuser/Springer, Basel (2016). 
DOI 10.1007/978-3-319-21015-5 | 
MR 3559400 | 
Zbl 1385.47001 
[19] Kokilashvili, V., Meskhi, A., Rafeiro, H., Samko, S.: 
Integral Operators in Non-Standard Function Spaces. Volume 2. Variable Exponent Hölder, Morrey-Campanato and Grand Spaces. Operator Theory: Advances and Applications 249, Birkhäuser/Springer, Basel (2016). 
DOI 10.1007/978-3-319-21018-6 | 
MR 3559401 | 
Zbl 1367.47004