Abstract
(1) A NEW edition of this really useful book is to be welcomed. The author has returned to Heaviside's notation of p for the operator, a distinct improvement. The chapter on Bessel functions has been rewritten and illustrated with reference to submarine cable telegraphy.
(1) Operational Methods in Mathematical Physics.
By Dr. Harold Jeffreys. (Cambridge Tracts in Mathematics and Mathematical Physics, No. 23.) Second edition. Pp. viii + 119. (Cambridge: At the University Press, 1931.) 6s. 6d. net.
(2) Cartesian Tensors.
By Dr. Harold Jeffreys. Pp. vii + 93. (Cambridge: At the University Press, 1931.) 5s. net.
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(1) Operational Methods in Mathematical Physics (2) Cartesian Tensors. Nature 130, 152 (1932). https://doi.org/10.1038/130152c0
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DOI: https://doi.org/10.1038/130152c0