@article{PIM_2013_N_S_93_107_a4,
     author = {Rado\v{s} Baki\'c},
     title = {Generalization of the {Grace{\textendash}Heawood} {Theorem}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {65 },
     publisher = {mathdoc},
     volume = {_N_S_93},
     number = {107},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PIM_2013_N_S_93_107_a4/}
}