@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/}
}