@misc{indiciae040f7bccdb3a,
  title = {Genetic programming over context-free languages with linear constraints for the knapsack problem: first results.},
  author = {Peter Bruhn and Andreas Geyer-Schulz},
  year = {2002},
  doi = {10.1162/106365602317301772},
  url = {https://pubmed.ncbi.nlm.nih.gov/11928691/},
  note = {Source identifier: 11928691}
}