@article{1144437440,
author = {Nikolav, Nikolai and Pflug, Peter},
title = {The multipole Lempert function is monotone under inclusion of pole sets},
journal = {Michigan Math. J.},
volume = {54},
number = {1},
year = {2006},
pages = { 111-116},
language = {en},
url = {http://dml.mathdoc.fr/item/1144437440}
}
Nikolav, Nikolai; Pflug, Peter. The multipole Lempert function is monotone under inclusion of pole sets. Michigan Math. J., Tome 54 (2006) no. 1, pp. 111-116. http://gdmltest.u-ga.fr/item/1144437440/