Moments of Convex and Monotone Functions. Franz Schnitzer; T. Nishiura — 1972 Monatshefte für Mathematik
Inductive compactness as a generalization of semicompactness J. de Groot; T. Nishiura — 1966 Fundamenta Mathematicae
An Egoroff-type theorem for set-valued measurable functions. Nishiura, T.; Schnitzer, F.J. — 1992 Mathematica Pannonica