@article{WangRWW13, author = {Cong Wang and Kui Ren and Jia Wang and Qian Wang}, title = {Harnessing the Cloud for Securely Outsourcing Large-Scale Systems of Linear Equations}, journal = {{IEEE} Transactions on Parallel and Distributed Systems}, volume = {24}, number = {6}, pages = {1172--1181}, year = {2013} }