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1Published 1979Conference Proceeding Book
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2Published 1982Conference Proceeding Book
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3Published 1985Conference Proceeding Book
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4Published 1991Conference Proceeding Book
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5Published 1989Conference Proceeding Book
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6Published 1989Conference Proceeding Book
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7EUROCAL '87 : European Conference on Computer Algebra : Leipzig, GDR, June 2-5, 1987 : proceedings /Published 1989Conference Proceeding Book
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8Published 1989Conference Proceeding Book
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9Published 1991Conference Proceeding Book
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10Published 1995Conference Proceeding Book
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11Published 1997Conference Proceeding Book