TY - JOUR AU - Robak, S. AU - Franczyk, B. AU - Politowicz, K. TI - Extending the UML for modelling variability for system families JO - International Journal of Applied Mathematics and Computer Science PY - 2002 SP - 285 EP - 298 VL - 12 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IJAMCS_2002_12_2_a14/ LA - en ID - IJAMCS_2002_12_2_a14 ER -