Dumont, N. A., E. Y. Mamani, and M. L. Cardoso. “A Boundary Element Implementation for Fracture Mechanics Problems Using Generalised Westergaard Stress Functions”. European Journal of Computational Mechanics, vol. 27, no. 5-6, Dec. 2018, pp. 401-24, doi:10.13052/17797179.2018.1499188.