1968 | ||
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2 | Max E. Engeli: Achievements and problems in formula manipulation. IFIP Congress (1) 1968: 24-32 | |
1962 | ||
1 | Max E. Engeli, Peter Läuchli: Automatic Calculation and Programming of Difference Equations for Elliptic Boundary Value Problems. IFIP Congress 1962: 126-131 |
1 | Peter Läuchli | [1] |