Tkachuk, Mykola. “A Numerical Method for Axisymmetric Adhesive Contact Based on kalker’s Variational Principle”. Eastern-European Journal of Enterprise Technologies 3, no. 7 (93) (May 24, 2018): 34–41. Accessed December 4, 2024. https://journals.uran.ua/eejet/article/view/132076.