Merge pull request #29 from for-ai/fix-references-issue

Fixing references section compilation issue

paper.bib

@@ -8,14 +8,14 @@ @misc{sutton:1998
 @article{dhariwal:2017,
   title={Openai baselines},
   author={Dhariwal, Prafulla and Hesse, Christopher and Klimov, Oleg and Nichol, Alex and Plappert, Matthias and Radford, Alec and Schulman, John and Sidor, Szymon and Wu, Yuhuai and Zhokhov, Peter},
-  journal={GitHub, GitHub repository},
+  url={https://github.com/openai/baselines},
   year={2017}
 }
 
 @article{schaarschmidt:2017,
   title={Tensorforce: A tensorflow library for applied reinforcement learning},
   author={Schaarschmidt, Michael and Kuhnle, Alexander and Fricke, Kai},
-  journal={Web page},
+  url={https://github.com/tensorflow/tensorflow},
   year={2017}
 }
 
@@ -29,7 +29,7 @@ @article{liang:2017
 @article{caspi:2017,
   title={Reinforcement Learning Coach.(Dec. 2017)},
   author={Caspi, Itai and Leibovich, Gal and Novik, Gal},
-  journal={URL https://doi. org/10.5281/zenodo},
+  url={https://doi.org/10.5281/zenodo},
   volume={1134899},
   year={2017}
 }
@@ -121,7 +121,13 @@ @misc{guadarramatf
   author={Guadarrama, Sergio and Korattikara, Anoop and Ramirez, Oscar and Castro, Pablo and Holly, Ethan and Fishman, Sam and Wang, Ke and Gonina, Ekaterina and Harris, Chris and Vanhoucke, Vincent and others}
 }
 
-@misc{hill:2019, title={hill-a/stable-baselines}, url={https://github.com/hill-a/stable-baselines}, journal={GitHub}, author={Hill}, year={2019}, month={Jun}}
+@misc{hill:2019, 
+  title={hill-a/stable-baselines}, 
+  url={https://github.com/hill-a/stable-baselines}, 
+  author={Hill}, 
+  year={2019}, 
+  month={Jun}
+}
 
 @article{paszke:2017,
   title={Pytorch},