Note on nonlinear semigroups and free boundary problem for controlled Markov processes Makiko Nisio — 1985 Banach Center Publications
On a non-linear semi-group associated with stochastic optimal control and its excessive majorant Makiko Nisio — 1979 Banach Center Publications
On the Oscillation Functions of Gaussian Processes. Kiyoshi Itô; Makiko Nisio — 1968 Mathematica Scandinavica