Katayama, Haruna, Toshiyuki Fujii, and Noriyuki Hatakenaka. 2018. “Theory of a Superconducting Artificial Neuron for Extended Backpropagation Learning Algorism”. International Journal of Engineering & Technology 7 (3.29): 170-72. https://doi.org/10.14419/ijet.v7i3.29.18551.