Recurrent Neural Networks (RNN)
References
D. Rumelhart, G. Hinton & R. Williams, "Learning representations by back-propagating errors", Nature 323, 533–536 (1986).
Robin M. Schmidt, "Recurrent Neural Networks (RNNs): A Gentle Introduction and Overview," arXiv:1912.05911v1 (2019).
I. Goodfellow, Y. Bengio, and A. Courville, Deep Learning. Cambridge, MA, USA: MIT Press, 2016.