1. W. Arendt. Evolution Equations Governed by Elliptic Operators – Manuscript of the 3rd Internet Seminar, 2000. Freely available at http://www.uni-ulm.de/fileadmin/website_uni_ulm/mawi.inst.020/arendt/downloads/Evolution_Equations_Governed_by_Elliptic_Operators.pdf .
2. W. Arendt. Heat Kernels – Manuscript of the 9th Internet Seminar, 2006. Freely available at http://www.uni-ulm.de/fileadmin/website_uni_ulm/mawi.inst.020/arendt/downloads/internetseminar.pdf .
3. W. Arendt, C. J. K. Batty, M. Hieber, and F. Neubrander. Vector-Valued Laplace Transforms and Cauchy Problems. Birkhäuser, Basel, 2001.
4. Bielecki A.: Une remarque sur la méthode de Banach–Cacciopoli-Tikhonov. Bull. Polish Acad. Sci. 4, 261–268 (1956)
5. Bobrowski A.: Functional Analysis for Probability and Stochastic Processes. Cambridge University Press, Cambridge (2005)