Thanh, Nguyen Manh, et al. “The Numerical Calculation of Statically Admissible Slip-Line Field for Plane Strain Compression of a Three-Layer Symmetric Strip Between Rigid Plates”. <i>Vietnam Journal of Science and Technology</i>, vol. 59, no. 1, Jan. 2021, pp. 120-34, doi:10.15625/2525-2518/59/1/15261.