Evaluation of nonlinear optimization methods for the learning algorithm of artificial neural networks. - Hideyuki Takagi; Shigeo Sakaue; Hayato Togawa (Syst. Comput. Jpn., 1992)

Reduction of required precision bits for back-propagation applied to pattern recognition. - Shigeo Sakaue; Toshiyuki Kohda; Hiroshi Yamamoto; Susumu Maruno; Yasuharu Shimeki (IEEE Trans. Neural Networks, 1993)