begin{thebibliography}{9}
bibitem{hinton}
Jeffrey Hinton(2012)
textit{Neural Networks for Machine Learning}
[textit{Lecture 3.4 — The backpropagation algorithm}]
\textit{https://github.com/mebusy/notes/blob/master/dev_notes/NeuralNetworks.md}
end{thebibliography}

bibitem{hinton}
Jeffrey Hinton(2012)
textit{Neural Networks for Machine Learning}
[textit{Lecture 3.4 — The backpropagation algorithm}]
\textit{url https://github.com/mebusy/notes/blob/master/dev_notes/NeuralNetworks.md}