@article{AM2_1983__26_137001,
     author = {A. Meir and M.S. Klamkin},
     title = {Extensions of an elementary geometric inequality.},
     journal = {Aequationes mathematicae},
     pages = {197--207},
     publisher = {mathdoc},
     volume = {26},
     year = {1983},
     zbl = {0563.51023},
     url = {http://geodesic.mathdoc.fr/item/AM2_1983__26_137001/}
}