Bartier, Jean-Philippe, Blanchet, Adrien, Dolbeault, Jean and Escobedo, Miguel (2011) Improved intermediate asymptotics for the heat equation. Applied Mathematics Letters, vol. 24 (n° 1). pp. 76-81.

Courtois, Cindy, Denuit, Michel and Van Bellegem, Sébastien (2006) Discrete s-convex extremal distributions: Theory and applications. Applied Mathematics Letters, 19 (12). pp. 1367-1377.