Merge remote-tracking branch 'origin/main' into main

Author: levimcclenny

README.md

@@ -34,8 +34,16 @@ What makes TensorDiffEq different?
 - Intuitive interface - defining domains, BCs, ICs, and strong-form PDEs in "plain english"
 
 
-
-
 *In development
 
+If you use TensorDiffEq in your work, please site it via:
+
+```code
+@article{mcclenny2021tensordiffeq,
+  title={TensorDiffEq: Scalable Multi-GPU Forward and Inverse Solvers for Physics Informed Neural Networks},
+  author={McClenny, Levi D and Haile, Mulugeta A and Braga-Neto, Ulisses M},
+  journal={arXiv preprint arXiv:2103.16034},
+  year={2021}
+}
+```