Abstract
THE appearance of these volumes marks the happy conclusion of a work undertaken, as the author reminds us in his preface, twenty-one years ago. Doubtless it would have been finished earlier had it not been for unavoidable interruptions; but the delay must have brought its compensations, because many most interesting developments are of recent date.
Theory of Differential Equations.
By Dr. A. R. Forsyth Vol. v., pp. xx + 478; vol. vi., pp. xiv + 596. (Cambridge: University Press, 1906.) Price 25s. net.
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M., G. Partial Differential Equations . Nature 75, x (1907). https://doi.org/10.1038/07500xa0
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DOI: https://doi.org/10.1038/07500xa0