@article{PORMA_1997__54_4_48030,
     author = {Coelho, M.Purifica\c{c}\~ao and Duffner, M.Ant\'onia},
     title = {Non vanishing conjugacy classes for an irreducible character of .},
     journal = {Portugaliae mathematica},
     pages = {441--447},
     publisher = {mathdoc},
     volume = {54},
     number = {4},
     year = {1997},
     zbl = {0903.20005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1997__54_4_48030/}
}