@inproceedings{Birk:20120L, author = "Birk, Sebastian and Frommer, Andreas", title = "{A CG method for multiple right hand sides and multiple shifts in lattice QCD calculations}", doi = "10.22323/1.139.0027", booktitle = "Proceedings of XXIX International Symposium on Lattice Field Theory {\textemdash} PoS(Lattice 2011)", year = 2012, volume = "139", pages = "027" }