@article{PORMA_1952__11_1_114697,
     author = {Green, John W.},
     title = {On the chords of a convex curve - {II}},
     journal = {Portugaliae mathematica},
     pages = {51--55},
     publisher = {mathdoc},
     volume = {11},
     number = {1},
     year = {1952},
     mrnumber = {0051536},
     zbl = {0046.16001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1952__11_1_114697/}
}