Cavalcanti, M.M., V.N. Domingos Cavalcanti, J.A. Soriano, y J.S. Prates Filho. 2001. «Existence and asymptotic behaviour for a degenerate kirchhoff-carrier model with viscosity and nonlinear boundary conditions». Revista Matemática Complutense 14, nº 1: 177-203. https://doi.org/10.5209/rev_REMA.2001.v14.n1.17054