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@article{MS2_1987__61_2_186102, author = {Joel L. Weiner}, title = {A spherical {Fabricius-Bjerre} formula with applications to closed space curves.}, journal = {Mathematica Scandinavica}, pages = {286--291}, publisher = {mathdoc}, volume = {61}, number = {2}, year = {1987}, zbl = {0644.53001}, url = {http://geodesic.mathdoc.fr/item/MS2_1987__61_2_186102/} }
Joel L. Weiner. A spherical Fabricius-Bjerre formula with applications to closed space curves.. Mathematica Scandinavica, Tome 61 (1987) no. 2, pp. 286-291. http://geodesic.mathdoc.fr/item/MS2_1987__61_2_186102/