![](/img/cover-not-exists.png)
An Unsolvable Problem Concerning Implicational Calculi.by Bishwambhar Pahi; Ralph C. Applebee
Review by: M. D. GladstoneVolume:
37
Language:
english
Journal:
The Journal of Symbolic Logic
DOI:
10.2307/2273012
Date:
June, 1972
File:
PDF, 121 KB
english, 1972