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| 1964 | ||
|---|---|---|
| 1 | John C. Shepherdson, S. Korner, M. D. Gladstone: Meeting of the Association for Symbolic Logic. J. Symb. Log. 29(4): 218-228 (1964) | |
| 1 | M. D. Gladstone | [1] |
| 2 | John C. Shepherdson | [1] |
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