@techreport{RISC3928,
author = {J. Kraus and V. Pillwein and L. Zikatanov},
title = {{Algebraic multilevel iteration methods and the best approximation to 1/x in the uniform norm}},
language = {english},
number = {2009-17},
year = {2009},
institution = {RICAM},
length = {28}
}