Yakovleva, E., A. Oryniak, and Orynyak І. “Application of the Internal and External Williams Functions to Plane Elasticity Problem for A Mode I Crack”. Mechanics and Advanced Technologies, no. 2(83) (October 26, 2018): 31–41. Accessed May 21, 2024. https://journal.mmi.kpi.ua/article/view/124761.