Merge pull request #217 from bebechien/main

fix citation

Author: bebechien

Gemma/[Gemma_3n]MatFormer_Lab.ipynb

@@ -1340,7 +1340,7 @@
         "```\n",
         "@article{gemma_3n_2025,\n",
         "    title={Gemma 3n MatFormer Lab},\n",
-        "    url={Add URL,},\n",
+        "    url={https://github.com/google-gemini/gemma-cookbook/blob/main/Gemma/%5BGemma_3n%5DMatFormer_Lab.ipynb},\n",
         "    publisher={Google DeepMind},\n",
         "    author={Puranjay Datta, Aditya Kusupati, Ryan Mullins, Omar Sanseviero, Rakesh Shivanna, Gemma Team},\n",
         "    year={2025}\n",