1. Adams, R.A.: General logarithmic Sobolev inequalities and Orlicz embeddings. J. Func. Anal. 34, 292–303 (1979). https://doi.org/10.1016/0022-1236(79)90036-3
2. Adams, R.A.: Sobolev spaces. Academic Press, Cambridge (1975)
3. Aida, S.: An estimate of the gap of spectrum of Schrödinger operators which generate hyperbounded semigroups. J. Funct. Anal. 185, 474–526 (2001)
4. Ané, C., Blachère, S., Chafai, D., Fougères, P., Gentil, I., Malrieu, F., Roberto, C., Scheffer, G.: Sur les inégalités de Sobolev logarithmiques, Panor Synthèses, vol. 10. S.M.F., Paris (2000)
5. Auscher, P., Tchamitchian, P.: Square root problem for divergence operators and related topics Astérisque, tome 249. http://www.numdam.org/item?id=AST_1998__249__R1_0 (1998)