The following publications are possibly variants of this publication:
- Identification of incompletely specified multiple-valued Kleenean functionsNoboru Takagi, Hiroaki Kikuchi, Kyoichi Nakashima, Masao Mukaidono. tsmc, 28(5):637-647, 1998.
- A Characterization of Kleenean FunctionsNoboru Takagi, Hiroaki Kikuchi, Kyoichi Nakashima, Masao Mukaidono. ismvl 1995: 236-241 [doi]
- Fundamental properties of multivalued kleenean functionsNoboru Takagi, Masao Mukaidono. scjapan, 23(13):66-75, 1992. [doi]