1. Valverde, L.A.: Heat content for stable processes in domains of $\mathbb {R}^{d}$. J. Geom. Anal. 27(1), 492–524 (2017)
2. Valverde, L.A.: On the one dimensional spectral heat content for stable processes. J. Math. Anal. Appl. 441, 11–24 (2016)
3. Bertoin, J.: Lévy Processes. Cambridge University Press, Cambridge (1996)
4. Bingham, N.H., Goldie, C.M., Teugels, J.L.: Regular Variation, Volume 27 of Encyclopedia of Mathematics and its Applications. Cambridge University Press, Cambridge (1987)
5. Blumenthal, R.M., Getoor., R.K.: Some theorems on stable processes. Trans. Amer. Math Soc. 95, 263–273 (1960)