TY  - RPRT
TI  - Non-similarity combinatorial problems.
AU  - A R Rubinov
AU  - V G Timkovsky
PY  - 1993
DO  - 10.1016/0303-2647(93)90064-j
UR  - https://pubmed.ncbi.nlm.nih.gov/8374083/
ID  - 8374083
ER  -