Heng Liang Linsong Shi Fengshan Bai Xiaoyan Liu Random path method with pivoting for computing permanents of matrices. 59-71 2007 185 Applied Mathematics and Computation 1 http://dx.doi.org/10.1016/j.amc.2006.07.070 db/journals/amc/amc185.html#LiangSBL07