@article{IJAMCS_2015_25_4_a4,
     author = {Feuerriegel, S. and B\"ucker, H. M.},
     title = {The non-symmetric s-step {Lanczos} algorithm: {Derivation} of efficient recurrences and synchronization-reducing variants of {BiCG} and {QMR}},
     journal = {International Journal of Applied Mathematics and Computer Science},
     pages = {769--785},
     publisher = {mathdoc},
     volume = {25},
     number = {4},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IJAMCS_2015_25_4_a4/}
}