@article{weko_60047_1, author = "Yasuhiro,Kobayashi and Masaaki,Ohkita and Michio,Inoue", title = "Dual Fractional Power Approximation for Nonlinear Functions", journal = "Information Processing in Japan", year = "1977", volume = "17", number = "0", pages = "19--26", month = "jan" }