$L^p-L^q$ estimates on the solutions to $u_{tt}-u_{x_1x_1}=\triangle   u_t$
  This paper focuses the study on the $L^p-L^q$ estimates on the solutions to an asymmetric wave equation with dissipation which arises in the study for the magneto-hydrodynamics by using the method of Green function. 
Y.-Q. Liu, Y. Zhou