27.
Gałkiewicz J. and Graba M. (2006): Algorithm for determination σij ˜(n,θ)$\widetilde {{\sigma _{ij}}\,}\left( {n,\theta } \right)$, ɛij ˜(n,θ)$\widetilde {{\varepsilon _i}_j\,}\left( {n,\theta } \right)$, d n(n, θ) and I n(n) functions in Hutchinson-Rice-Rosengren solution and its 3D generalization. – Journal of Theoretical and Applied Mechanics, vol.44, No.1 pp.19-30.