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"On Closure Properties of #P in the Context of PF°#P."
Mitsunori Ogiwara et al. (1993)
- Mitsunori Ogiwara, Thomas Thierauf, Seinosuke Toda, Osamu Watanabe:
On Closure Properties of #P in the Context of PF°#P. SCT 1993: 139-146
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