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| 1998 | ||
|---|---|---|
| 2 | I. P. van den Berg: On the Relation between Elementary Partial Difference Equations and Partial Differential Equations. Ann. Pure Appl. Logic 92(3): 235-265 (1998) | |
| 1992 | ||
| 1 | I. P. van den Berg: Extended use of IST. Ann. Pure Appl. Logic 58(1): 73-92 (1992) | |