Gil, A., Lee, C. H., Bonet, J., & Aguirre, M. (2014). A stabilised Petrov–Galerkin formulation for linear tetrahedral elements in compressible, nearly incompressible and truly incompressible fast dynamics. Computer Methods in Applied Mechanics and Engineering, 276, pp. 659-690. doi:10.1016/j.cma.2014.04.006

Gil, Antonio, Chun Hean Lee, Javier Bonet, and Miquel Aguirre. "A Stabilised Petrov–Galerkin Formulation for Linear Tetrahedral Elements in Compressible, Nearly Incompressible and Truly Incompressible Fast Dynamics." Computer Methods in Applied Mechanics and Engineering 276 (2014): 659-690.

Gil, Antonio, Chun Hean Lee, Javier Bonet, and Miquel Aguirre. "A Stabilised Petrov–Galerkin Formulation for Linear Tetrahedral Elements in Compressible, Nearly Incompressible and Truly Incompressible Fast Dynamics." Computer Methods in Applied Mechanics and Engineering 276 (2014): 659-690.