add link to paper

README.md

@@ -131,7 +131,7 @@ language:
 
 # Flores101: Large-Scale Multilingual Machine Translation
 
-`flores101_mm100_175M` is a multilingual encoder-decoder (seq-to-seq) model trained for Many-to-Many multilingual translation. It was first released in [this](https://github.com/facebookresearch/fairseq/tree/main/examples/flores101) repository.
+`flores101_mm100_175M` is a multilingual encoder-decoder (seq-to-seq) model trained for Many-to-Many multilingual translation. It was introduced in this [paper](https://aclanthology.org/2022.tacl-1.30) and released in [this](https://github.com/facebookresearch/fairseq/tree/main/examples/flores101) repository.
 
 ```python
 from transformers import M2M100ForConditionalGeneration, M2M100Tokenizer