@article{article, title = {{The zero-normal-stress condition in plane-stress and shell elastoplasticity}}, publisher = {{Wiley}}, url = {{}}, year = {{1991}}, month = {{1}}, author = {{De Borst R}}, doi = {{10.1002/cnm.1630070105}}, volume = {{7}}, journal = {{Communications in Applied Numerical Methods}}, issue = {{1}}, pages = {{29-33}}, note = {{Accessed on 2024/10/23}}}