@article{10_4153_CJM_1984_035_1,
     author = {B\'ar\'any, Imre and F\"uredi, Zolt\'an and Pach, J\'anos},
     title = {Discrete {Convex} {Functions} and {Proof} of the {Six} {Circle} {Conjecture} of {Fejes} {T\'oth}},
     journal = {Canadian journal of mathematics},
     pages = {569--576},
     year = {1984},
     volume = {36},
     number = {3},
     doi = {10.4153/CJM-1984-035-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1984-035-1/}
}