@article{article, title = {{Bifurcations in finite element models with a non-associated flow law}}, publisher = {{Wiley}}, url = {{}}, year = {{1988}}, month = {{1}}, author = {{De Borst R}}, doi = {{10.1002/nag.1610120107}}, volume = {{12}}, journal = {{International Journal for Numerical and Analytical Methods in Geomechanics}}, issue = {{1}}, pages = {{99-116}}, note = {{Accessed on 2024/10/23}}}