Improving the definition of general constraints in UML

Dolors Costal, Cristina Gómez, Anna Queralt, Ruth Raventós, Ernest Teniente. Improving the definition of general constraints in UML. Software and Systems Modeling, 7(4):469-486, 2008. [doi]

@article{CostalGQRT08,
  title = {Improving the definition of general constraints in UML},
  author = {Dolors Costal and Cristina Gómez and Anna Queralt and Ruth Raventós and Ernest Teniente},
  year = {2008},
  doi = {10.1007/s10270-007-0078-4},
  url = {http://dx.doi.org/10.1007/s10270-007-0078-4},
  tags = {constraints, UML},
  researchr = {https://researchr.org/publication/CostalGQRT08},
  cites = {0},
  citedby = {0},
  journal = {Software and Systems Modeling},
  volume = {7},
  number = {4},
  pages = {469-486},
}