1 files changed, 43 insertions, 1 deletions
diff --git a/graf/n.lyx b/graf/n.lyx
index ac8fe4c..1c55080 100644
--- a/graf/n.lyx
+++ b/graf/n.lyx
@@ -169,10 +169,38 @@ https://en.wikipedia.org/
 \lang english
 Borůvka's algorithm
 \emph default
-\lang spanish
+, 
+\emph on
+Christofides algorithm
+\emph default
 .
 \end_layout
 
+\begin_layout Itemize
+Richard C.
+ Larson & Amadeo R.
+ Odoni (1999).
+ 
+\emph on
+\lang english
+Urban Operations Research
+\emph default
+, chapter 6.4.4
+\lang spanish
+ (
+\begin_inset Flex URL
+status open
+
+\begin_layout Plain Layout
+
+http://web.mit.edu/urban_or_book/www/book/chapter6/6.4.4.html
+\end_layout
+
+\end_inset
+
+).
+\end_layout
+
 \begin_layout Chapter
 Grafos
 \end_layout
@@ -215,5 +243,19 @@ filename "n3.lyx"
 
 \end_layout
 
+\begin_layout Chapter
+Algoritmos en grafos
+\end_layout
+
+\begin_layout Standard
+\begin_inset CommandInset include
+LatexCommand input
+filename "n4.lyx"
+
+\end_inset
+
+
+\end_layout
+
 \end_body
 \end_document