@article{DCG_1995__13_3-4_131355,
     author = {A.I. Barvinok},
     title = {Problems of {Distance} {Geometry} and {Convex} {Properties} of {Quadratic} {Maps.}},
     journal = {Discrete & computational geometry},
     pages = {189--202},
     publisher = {mathdoc},
     volume = {13},
     number = {3-4},
     year = {1995},
     zbl = {0829.05025},
     url = {http://geodesic.mathdoc.fr/item/DCG_1995__13_3-4_131355/}
}