@article{JLT_2005_15_1_JLT_2005_15_1_a21,
     author = {D. S. Sage },
     title = {Quantum {Racah} {Coefficients} and {Subrepresentation} {Semirings}},
     journal = {Journal of Lie theory},
     pages = {321--333},
     publisher = {mathdoc},
     volume = {15},
     number = {1},
     year = {2005},
     url = {http://geodesic.mathdoc.fr/item/JLT_2005_15_1_JLT_2005_15_1_a21/}
}