@misc{indiciaed9d9fef07b5b,
  title = {Non-similarity combinatorial problems.},
  author = {A R Rubinov and V G Timkovsky},
  year = {1993},
  doi = {10.1016/0303-2647(93)90064-j},
  url = {https://pubmed.ncbi.nlm.nih.gov/8374083/},
  note = {Source identifier: 8374083}
}