\bib{1980/brent-gamma} \yr 1980 \mr 82g:10002 \by Richard P. Brent \by Edwin M. McMillan \paper Some new algorithms for high-precision computation of Euler's constant \jour Mathematics of Computation \issn 0025--5718 \vol 34 \pages 305--312 \url http://web.comlab.ox.ac.uk/oucl/work/richard.brent/pub/pub049.html \endref