Geodesic
Explicit resolutions for the binary polyhedral groups and for other central extensions of the triangle gorups.
Commentarii mathematici Helvetici, Tome 58 (1983), pp. 433-452

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Mots-clés : free resolutions, finitely presented groups, central extension, triangle group, exact sequence, periodic resolution, presentation, Jacobian map, Poincaré-duality groups, fundamental groups of Seifert fiber spaces 
Ralph Strebel. Explicit resolutions for the binary polyhedral groups and for other central extensions of the triangle gorups.. Commentarii mathematici Helvetici, Tome 58 (1983), pp. 433-452. http://geodesic.mathdoc.fr/item/CMH_1983__58_139949/
@article{CMH_1983__58_139949,
     author = {Ralph Strebel},
     title = {Explicit resolutions for the binary polyhedral groups and for other central extensions of the triangle gorups.},
     journal = {Commentarii mathematici Helvetici},
     pages = {433--452},
     year = {1983},
     volume = {58},
     zbl = {0541.20035},
     url = {http://geodesic.mathdoc.fr/item/CMH_1983__58_139949/}
}
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EP  - 452
VL  - 58
UR  - http://geodesic.mathdoc.fr/item/CMH_1983__58_139949/
ID  - CMH_1983__58_139949
ER  - 
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%J Commentarii mathematici Helvetici
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%P 433-452
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