. "NEW EXACT SOLUTIONS FOR A SEMICONDUCTOR NONLINEAR REACTION-DIFFUSION EQUATION: THE COMBINATION OF THE FACTORIZATION METHOD TO THE PROJECTIVE RICCATI EQUATION METHOD Vol. 5(2) July 2017, No. 27, pp. 271-288 MIBAILE JUSTIN, GASISSOU MARCEL, GAMBO BETCHEWE, SERGE Y. DOKA AND KOFANE TIMOLEON CREPIN", Electronic Journal of Mathematical Analysis and Applications, 5, 2, 2017, -. doi: 10.21608/ejmaa.2017.310993