@article{JRAM_1997__490_153941,
     author = {Henri Darmon and Loic Merel},
     title = {Winding quotients and some variants of {Fermat's} {Last} {Theorem.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {81--100},
     publisher = {mathdoc},
     volume = {490},
     year = {1997},
     zbl = {0976.11017},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1997__490_153941/}
}