Position independent neuro pattern matching and its application to handwritten numerical character recognition. - Yuzo Hirai; Yasuyuki Tsukui (IJCNN, 1990)

Position independent pattern matching by neural network. - Yuzo Hirai; Yasuyuki Tsukui (IEEE Trans. Syst. Man Cybern., 1990)

Transformations of edge-coloured cubic graphs. - Yasuyuki Tsukui (Discret. Math., 1998)