@article{PORMA_1974__33_3_115234,
     author = {Haruki, Hiroshi},
     title = {On an application of the theorem of {Apollonius}},
     journal = {Portugaliae mathematica},
     pages = {167--170},
     publisher = {mathdoc},
     volume = {33},
     number = {3},
     year = {1974},
     mrnumber = {0361029},
     zbl = {0312.30007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1974__33_3_115234/}
}