added arpack user guide

diff --git a/bibdb/bibdb.bib b/bibdb/bibdb.bib
index 2c2550f8216e8728bcec02ae6d940866ee26092e..775201557d261a73f743976bc88227996c1d7fe3 100644 (file)
--- a/bibdb/bibdb.bib
+++ b/bibdb/bibdb.bib
@@ -6411,6 +6411,17 @@
   eprint =       "http://epubs.siam.org/doi/pdf/10.1137/0613025",
 }
 
+@Book{lehoucq98,
+  title =        "Arpack User's Guide: Solution of Large-Scale
+                 Eigenvalue Problems With Implicityly Restorted Arnoldi
+                 Methods",
+  author =       "R Richard B Lehoucq and D Danny C Sorensen and
+                 Chao-Chih Yang",
+  volume =       "6",
+  year =         "1998",
+  publisher =    "Siam",
+}
+
 @Article{sorensen01,
   title =        "{ARPACK} Software Package",
   author =       "D. C. Sorensen and R. B. Lehoucq and C. Yang and K.