| LC control no. | n 84805823 |
|---|---|
| Personal name heading | Erwe, Friedhelm |
| Found in | LCCN 67-96763: His Differential and integral calculus, 1967 (hdg.: Erwe, Friedhelm) LC data base, 11-1-84 (hdg.: Erwe, Friedhelm; usage: Friedhelm Erwe) |
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