@article{10_4064_am_19_3_4_541_545,
     author = {W. Piotrowski},
     title = {A generalization of branch weight centroids},
     journal = {Applicationes Mathematicae},
     pages = {541--545},
     publisher = {mathdoc},
     volume = {19},
     number = {3-4},
     year = {1987},
     doi = {10.4064/am-19-3-4-541-545},
     zbl = {0719.05034},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-19-3-4-541-545/}
}