@article {icl:570, title = {Rectangular Full Packed Format for Cholesky{\textquoteright}s Algorithm: Factorization, Solution and Inversion}, journal = {ACM Transactions on Mathematical Software (TOMS)}, volume = {37}, number = {2}, year = {2010}, month = {2010-04}, author = {Fred G. Gustavson and Jerzy Wasniewski and Jack Dongarra and Julien Langou} }