@article{CM_1969__21_2_125_0,
     author = {Eggleston, H. G.},
     title = {The centroid and circumcentre of a plane convex set},
     journal = {Compositio Mathematica},
     pages = {125--136},
     publisher = {Wolters-Noordhoff Publishing},
     volume = {21},
     number = {2},
     year = {1969},
     mrnumber = {244859},
     zbl = {0179.27401},
     language = {en},
     url = {http://www.numdam.org/item/CM_1969__21_2_125_0/}
}