Long Short-Term Memory, Sepp Hochreiter, Jürgen Schmidhuber, 1997Neural Computation, Vol. 9 (The MIT Press)DOI: 10.1162/neco.1997.9.8.1735 - The original research paper that introduces the Long Short-Term Memory (LSTM) network architecture, providing the foundational description of its components, including the output gate.
Deep Learning, Ian Goodfellow, Yoshua Bengio, and Aaron Courville, 2016 (MIT Press) - An authoritative textbook that provides a comprehensive explanation of recurrent neural networks, including the detailed structure and function of LSTM cells and their gating mechanisms.
CS224n: Natural Language Processing with Deep Learning - Lecture Notes, Christopher Manning, 2023 (Stanford University) - Educational materials from a leading university course, offering clear and accessible explanations of LSTM networks, focusing on the roles and operations of the various gates, such as the output gate. Refer to lecture notes on Recurrent Neural Networks and LSTMs.