@article{article, title = {{Control-flow semantics of use cases in UML}}, url = {{}}, year = {{1999}}, month = {{7}}, author = {{van den Berg KG and Simons AJH}}, volume = {{41}}, journal = {{INFORM SOFTWARE TECH}}, issue = {{10}}, pages = {{651-659}}, note = {{Accessed on 2025/10/03}}}