Update README.md

README.md

@@ -15,4 +15,6 @@ duplicated_from: sincostanx/momentum-diffusion
 Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
 
 This is a demo for the paper, 
-["Diffusion Sampling with Momentum for Mitigating Divergence Artifacts"](https://arxiv.org/abs/2307.11118).
+["Diffusion Sampling with Momentum for Mitigating Divergence Artifacts"](https://arxiv.org/abs/2307.11118). (https://arxiv.org/abs/2108.01073)
+
+https://arxiv.org/abs/2108.01073