Mathematics

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CLAIRAUT, (ALEXIS CLAUDE de).

Stockholm, Lars Salvius, 1744.

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FLORIJN, JACOB.

Amsterdam, Hengst en Zoon, 1816.

VOLTERRA, VITO.

[Berlin, Stockholm, Paris, Beijer, 1892].

GYLDÉN, HUGO.

Berlin, Stockholm, Paris, Beijer, 1893.

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PEANO, GIUSEPPE.

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HILL, G. W.

Berlin, Stockholm, Paris, Beijer, 1886.

MALTHUS, T. R.

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BÜRJA, ABEL.

Berlin und Libau, 1788.