@article{ZNSL_1999_258_a15,
     author = {I. Kotsireas and D. Lazard},
     title = {Central {Configurations} of the 5-body problem with equal masses in three-dimensional space},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {292--317},
     publisher = {mathdoc},
     volume = {258},
     year = {1999},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1999_258_a15/}
}