1. The infinite Brownian loop on symmetric space;Anker;Rev. Mat. Iberoamericana,2002
2. Exponential stability of a diffusion equation with absorption;Arendt;Differential Integral Equations,1993
3. D.G. Aronson, Non-negative solutions of linear parabolic equations, Ann. Scuola Norm. Sup. Pisa (3) 22 (1968) 607–694.
4. On minimal parabolic functions and time-homogeneous parabolic h-transforms;Burdzy;Trans. Amer. Math. Soc.,1999
5. I. Chavel, Isoperimetric Inequalities. Differential Geometric and Analytic Perspectives, Cambridge Tracts in Mathematics, Vol. 145, Cambridge University Press, Cambridge, 2001.