}
+@book{citeulike:2951999,
+ author = {Elman and Silvester and Wathen},
+ citeulike-article-id = {2951999},
+ edition = {first},
+ keywords = {numerics},
+ posted-at = {2008-07-02 13:25:09},
+ priority = {0},
+ publisher = {Oxford University Press},
+ title = {{Finite Elements and Fast Iterative Solvers with Applications in Incompressible Fluid Dynamics}},
+ year = {2005}
+}
+
+
+@article{ANU:137201,
+author = {Eiermann,Michael and Ernst,Oliver G.},
+title = {Geometric aspects of the theory of Krylov subspace methods},
+journal = {Acta Numerica},
+volume = {10},
+month = {5},
+year = {2001},
+issn = {1474-0508},
+pages = {251--312},
+numpages = {62},
+doi = {10.1017/S0962492901000046},
+}
+
@book{Saad2003,
author = {Saad, Y.},
title = {Iterative Methods for Sparse Linear Systems},
publisher = {Springer},
year = 2015,
-}
\ No newline at end of file
+}
+
+
+@InCollection{Falgout06,
+ author = "Robert D. Falgout and Jim E. Jones and Ulrike Meier
+ Yang",
+ editor = "Are Magnus Bruaset and Aslak Tveito",
+ title = "The Design and Implementation of hypre, a Library of
+ Parallel High Performance Preconditioners",
+ booktitle = "Numerical Solution of Partial Differential Equations
+ on Parallel Computers",
+ series = "Lecture Notes in Computational Science and
+ Engineering",
+ pages = "267--294",
+ publisher = "Springer-Verlag",
+ address = "New York",
+ year = "2006",
+ keywords = "parallel software tools,",
+ note = "ch 8,",
+}
+
+@misc{ksp,
+ title = {{K}rylov {M}ethods - {KSP}: {E}xamples},
+ howpublished = {\url{http://www.mcs.anl.gov/petsc/petsc-dev/src/ksp/ksp/examples/tutorials/}},
+ note = {Accessed: 2015-09-23}
+}
+
+@misc{snes,
+ title = {{N}onlinear solvers - {SNES}: {E}xamples},
+ howpublished = {\url{http://www.mcs.anl.gov/petsc/petsc-current/src/snes/examples/tutorials/index.html}},
+ note = {Accessed: 2015-09-23}
+}