@article{MABA_2008_22_1-2_a3,
     author = {Mariana Nedelcheva},
     title = {Characterization of {Piecewise} {Convex} {Curves} through {Their} {d-Functions}},
     journal = {Mathematica balkanica},
     pages = {47},
     publisher = {mathdoc},
     volume = {22},
     number = {1-2},
     year = {2008},
     url = {http://geodesic.mathdoc.fr/item/MABA_2008_22_1-2_a3/}
}