@article{10_2298_PIM0898073K,
     author = {Marko Kosti\'c},
     title = {Convoluted $c$-groups},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {73 },
     publisher = {mathdoc},
     volume = {_N_S_84},
     number = {98},
     year = {2008},
     doi = {10.2298/PIM0898073K},
     zbl = {1267.47074},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/PIM0898073K/}
}