@article {,
	title = {On formulas for the Rayleigh wave velocity in pre-strained elastic materials subject to an isotropic internal constraint},
	journal = {International Journal of Engineering Science},
	volume = {48},
	year = {2010},
	pages = {275{\textendash}289},
	author = {Vinh, Pham Chi and Giang, Pham Thi Ha}
}
