acmid = {355989},
publisher = {ACM},
address = {New York, NY, USA},
-}
\ No newline at end of file
+}
+
+@Misc{petsc-web-page,
+ author = {Satish Balay and Shrirang Abhyankar and Mark~F. Adams and Jed Brown and Peter Brune
+ and Kris Buschelman and Victor Eijkhout and William~D. Gropp
+ and Dinesh Kaushik and Matthew~G. Knepley
+ and Lois Curfman McInnes and Karl Rupp and Barry~F. Smith
+ and Hong Zhang},
+ title = {{PETS}c {W}eb page},
+ url = {http://www.mcs.anl.gov/petsc},
+ howpublished = {\url{http://www.mcs.anl.gov/petsc}},
+ year = {2014}
+ }