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@article{MS2_1969__24_166079, author = {Asmus L. Schmidt}, title = {Farey {Simplices} in the {Space} of {Quaternions.}}, journal = {Mathematica Scandinavica}, pages = {31--65}, publisher = {mathdoc}, volume = {24}, year = {1969}, zbl = {0186.09302}, url = {http://geodesic.mathdoc.fr/item/MS2_1969__24_166079/} }
Asmus L. Schmidt. Farey Simplices in the Space of Quaternions.. Mathematica Scandinavica, Tome 24 (1969), pp. 31-65. http://geodesic.mathdoc.fr/item/MS2_1969__24_166079/