[1] M. S. Birman M. S. Solomjak: Quantitative analysis in Sobolev imbedding theorems and applications to spectral theory. Amer. Math. Soc. Transl. (2) 114 (1980), 1 - 132. MR 0562305

[2] D. E. Edmunds R. M. Edmunds: Entropy and approximation numbers of embeddings in Orlicz spaces. J. Lond. Math. Soc. (2) 32 (1985), 528-538. MR 0825929

[3] D. E. Edmunds W. D. Evans: Orlicz and Sobolev spaces on unbounded domains. Proc. Roy. Soc. A342 (1975), 373-400. MR 0394170

[4] D. E. Edmunds W. D. Evans: Spectral theory and differential operators. Oxford University Press, Oxford, 1987. MR 0929030

[5] D. E. Edmunds A. Kufner, Jiong Sun: Extensions of functions in weighted Sobolev spaces. Rend. Accad. Nat. Sci. XL Mem. Mat. (5) 14, 17 (1990), 327-339. MR 1106583

[6] M. Krbec L. Pick: On imbeddings between weighted Orlicz spaces. Zeitschrift Anal. Anwend. (1) 10 (1991), 105-116. MR 1155360

[7] A. Kufner: Weighted Sobolev spaces. John Wiley and Sons Ltd., 1985. MR 0802206 | Zbl 0579.35021

[8] A. Kufner: Boundary value problems in weighted spaces. Equadiff 6, Lecture Notes in Mathematics 1192, Springer-Verlag, Berlin-Heidelberg-New York, 1986, pp. 35-48. MR 0877105 | Zbl 0627.46032

[9] M. Namasivayam: Estimates of entropy numbers of embeddings of Sobolev spaces on unbounded domains. Quart. J. Math., Oxford (2) 36 (1985), 231-242. MR 0790483

[10] E. W. Stredulinsky: Weighted inequalities and degenerate elliptic partial differential equations. Lecture Notes in Mathematics 1074, Springer-Verlag, Berlin-Heidelberg-New York, 1984. MR 0757718 | Zbl 0541.35001

[11] J.-O. Strömberg R. L. Wheeden: Fractional integrals on weighted $H^p$ and $L^p$ spaces. Trans. Amer. Math. Soc. 287 (1985), 293-321. MR 0766221

[12] H. Triebel: Interpolation theory, function spaces, differential operators. North-Holland, Amsterdam, 1978. MR 0503903 | Zbl 0387.46033

[13] N. S. Trudinger: On imbeddings into Orlicz spaces and some applications. J. Math. Mech., 17 (1967), 473-484. MR 0216286 | Zbl 0163.36402