TY - JOUR T1 - An eigenvalue analysis of nonassociated plasticity JO - Computers & Mathematics with Applications PY - 1999/11/01 AU - van der Veen H AU - Vuik C AU - de Borst R ED - DO - DOI: 10.1016/s0898-1221(99)00266-7 PB - Elsevier BV VL - 38 IS - 9-10 SP - 107 EP - 115 Y2 - 2024/12/25 ER -