@article{JRAM_1986__371_152872,
     author = {Michel Brou\'e and Jorn B. Olsson},
     title = {Subpair multiplicities in finite groups.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {125--143},
     publisher = {mathdoc},
     volume = {371},
     year = {1986},
     zbl = {0596.20009},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1986__371_152872/}
}