Labouygues J M, Figureau A
Orig Life. 1984;14(1-4):685-92. doi: 10.1007/BF00933722.
The groups of codons which correspond to the same amino-acid in the genetic code (synonyms) are compared to theoretical codes constructed so as to resist best to the effects of mutations. The analysis shows that the genetic code presents synonymy structures which are optimized against translation errors.