diff --git a/algo_avancee/arbres.md b/algo_avancee/arbres.md
index 8b0d114..01270d0 100644
--- a/algo_avancee/arbres.md
+++ b/algo_avancee/arbres.md
@@ -159,4 +159,18 @@ def planter(racine, val):
             planter(racine.fd, val)
         else:
             racine.fd = new Noeud(val=val, fg=None, fd=None)
+```
+
+### Rechercher dans un ABR
+```python
+def recherche(racine, val):
+    cur_node = racine
+    while cur_node:
+        if cur_node.val == val:
+            return True
+        else if cur_node.val > val:
+            cur_node = cur_node.fg
+        else:
+            cur_node = cur_node.fd
+    return False
 ```
\ No newline at end of file