@article{JRAM_1993__441_153546,
     author = {Hiroaki Nakamura and Hiroshi Tsunogai},
     title = {Some finiteness theorems on {Galois} centralizers in pro-l mapping class groups.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {115--144},
     publisher = {mathdoc},
     volume = {441},
     year = {1993},
     zbl = {0771.14006},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1993__441_153546/}
}