Update README.md

README.md

@@ -49,7 +49,12 @@ CC BY 4.0
 ## Citation
 If you use this model, please cite the following paper:
 ```
-
+@article{chrabrowa2022evaluation,
+  title={Evaluation of Transfer Learning for Polish with a Text-to-Text Model},
+  author={Chrabrowa, Aleksandra and Dragan, {\L}ukasz and Grzegorczyk, Karol and Kajtoch, Dariusz and Koszowski, Miko{\l}aj and Mroczkowski, Robert and Rybak, Piotr},
+  journal={arXiv preprint arXiv:2205.08808},
+  year={2022}
+}
 ```
 
 ## Authors