@techreport{RISC1886,author = {Heinrich Rolletschek},
title = {{Shortest Division Chains in Imaginary Quadratic Number Fields}},
number = {90-19},
year = {1990},
note = {Published in Journ. of Symbolic Computation, vol.9, pp. 321-354, 1990},
sponsor = {"{O}sterreichische Forschungsgemeinschaft grant no. 09/0004},
type = {RISC Report Series},
institution = {Research Institute for Symbolic Computation (RISC), Johannes Kepler University Linz},
address = {Altenberger Straße 69, 4040 Linz, Austria},
issn = {2791-4267 (online)}
}