@article{104654,
author = {Bohdan Zelinka},
title = {Medians and peripherians of trees},
journal = {Archivum Mathematicum},
volume = {004},
year = {1968},
pages = {87-95},
zbl = {0206.26105},
mrnumber = {0269541},
language = {en},
url = {http://dml.mathdoc.fr/item/104654}
}
Zelinka, Bohdan. Medians and peripherians of trees. Archivum Mathematicum, Tome 004 (1968) pp. 87-95. http://gdmltest.u-ga.fr/item/104654/
Theory of Graphs, Providence 1962. (1962) | MR 0150753 | Zbl 0105.35401