B.B. Guzina and R.Y.S. Pak (1996). “Elastodynamic Green’s functions for a smoothly heterogeneous half-space”, Int. J. Solids Struct., 33, 1005-1021.

B.B. Guzina and R.Y.S. Pak (1996). “Elastodynamic Green’s functions for a smoothly heterogeneous half-space”, Int. J. Solids Struct., 33, 1005-1021.  Article