Народ.Ру: 5.2.1.1.13.12. Oliver Heaviside. On Operators in Physical Mathematics.

5.2.1.1.13.12. Oliver Heaviside.
On Operators in Physical Mathematics.

5.2.1.1.13.12.1. Part I.
Proceedings of the Royal Society of London. 1892, v.52. pp.504-529. - 2,35 Mб.

5.2.1.1.13.12.2. Part II.
Proceedings of the Royal Society of London. 1893, v.54. pp.105-143. - 3,30 Mб.

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