1. S. Barza, A. Kamińska, L. E. Persson and J. Soria, Mixed norm and multidimensional Lorentz spaces, Positivity, 10, (2006), 539–554.
2. C. Bennett and R. Sharpley, Interpolation of Operators, Academic Press (Boston, 1988).
3. O. V. Besov, V. P. Il’in and S. M. Nikol’skii, Integral Representations of Functions and Imbedding Theorems, Vols. 1, 2, Winston $ Sons (Washington, DC), Halsted Press (New York, Toronto, London, 1978–1979).
4. A. P. Blozinski, Multivariate rearrangements and Banach function spaces with mixed norms, Trans. Amer. Math. Soc., 263, (1981), 149–167.
5. J. Bourgain, H. Brezis and P. Mironescu, Another look at Sobolev spaces, in: Optimal Control and Partial Differential Equations, in honour of Professor Alain Ben-soussan’s 60th Birthday. J. L. Menaldi, E. Rofman, A. Sulem (eds), IOS Press (Amsterdam, 2001), pp. 439–455.