@article{JOLT_2005_15_1_a21,
     author = {D. S. Sage},
     title = {Quantum {Racah} {Coefficients} and {Subrepresentation} {Semirings}},
     journal = {Journal of Lie Theory},
     pages = {321--333},
     year = {2005},
     volume = {15},
     number = {1},
     zbl = {1062.22042},
     url = {http://geodesic.mathdoc.fr/item/JOLT_2005_15_1_a21/}
}