1. Salehinejad, H., Sankar, S., Barfett, J., Colak, E., Valaee, S.: Recent Advances in Recurrent Neural Networks. arXiv:1801.01078v3 [cs.NE, 22 Feb 2018]
2. Mikolov, T., Joulin, A., Chopra, S., Mathieu, M., Ranzato, M.: Learning longer memory in recurrent neural networks. arXiv:1412.7753 (2014)
3. Haykin, S.: Neural Networks: A Comprehensive Foundation. Prentice Hall PTR (1994)
4. Yarotsky, D.: Error bounds for approximations with deep ReLU networks. Neural Netw. 94, 103–114 (2017)
5. Ruder, S.: An overview of gradient descent optimization algorithms. arXiv:1609.04747 (2016)