@article{articled2f8add2, title = {Exact cosmological solutions of models with an interacting dark sector}, author = {Pavan, A. B. and Ferreira, Elisa GouvĂȘa Mauricio and Micheletti, Sandro M. R. and Souza, J. C. C. de and Abdalla, Elcio}, year = {2012}, doi = {10.1103/PhysRevD.86.103521}, journal = {Physics Review D} }