@article{JRAM_1990__411_153274,
     author = {Hiroaki Nakamura},
     title = {Galois rigidity of the \'etale fundamental groups of punctured projective lines.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {205--216},
     publisher = {mathdoc},
     volume = {411},
     year = {1990},
     zbl = {0702.14024},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1990__411_153274/}
}