@article{GDZPPN00118248X,
title = {Point Systems with Extremal Properties and Conformal Mapping.},
journal = {Numerische Mathematik},
volume = {56},
year = {1989},
pages = {125-144},
zbl = {0655.30006},
url = {http://dml.mathdoc.fr/item/GDZPPN00118248X}
}
Menke, Klaus. Point Systems with Extremal Properties and Conformal Mapping.. Numerische Mathematik, Tome 56 (1989) pp. 125-144. http://gdmltest.u-ga.fr/item/GDZPPN00118248X/