1. De Pablo, A., Quirós, F., Rodríguez, A., Vázquez, J.L.: A fractional porous medium equation. Adv. Math. 226(2), 1378–1409 (2011)
2. De Pablo, A., Quirós, F., Rodríguez, A., Vázquez, J.L.: A general fractional porous medium equation. Comm. Pure Appl. Math. arXiv:1104.0306v1 (2013)
3. De Pablo, A., Quirós, F., Rodríguez, A., Vázquez, J.L.: Classical solutions for a logarithmic fractional diffusion equation. J. de. Math. Pures. Appl. http://arxiv.org/pdf/1205.2223.pdf (to appear)
4. Valdinoci, E.: From the long junp random walk to the fractional laplacian. Bol. Soc. Esp. Mat. Apl. SéMA (49), 33–44 (2009)
5. Cifani, S., Jakobsen, E.R., Karlsen, K.H.: The discontinuous Galerkin method for fractional degenerate convection-diffusion equations. BIT 51(4), 809–844 (2011)