Elise de Doncker Shujun Li Yoshimitsu Shimizu Junpei Fujimoto Fukuko Yuasa Regularization and Extrapolation Methods for Infrared Divergent Loop Integrals. 165-171 2005 conf/iccS/2005-1 International Conference on Computational Science (1) http://dx.doi.org/10.1007/11428831_21 db/conf/iccS/iccS2005-1.html#DonckerLSFY05