Letter from John Edward Lennard-Jones, on three papers 'Electronic wave functions. III. Some theorems on integrals of antisymmetric functions of equivalent orbital form', 'Electronic wave functions. IV. Some general theorems for the calculation of Schrodinger integrals between complicated vector coupled functions for many electron atoms' and 'Electronic wave functions. V. Systematic reduction methods for all Schrodinger integrals of conventional systems of antisymmetric vector coupled functions' by Samuel Francis Boys, to William George Penney

Letter from John Edward Lennard-Jones, on three papers 'Electronic wave functions. III. Some theorems on integrals of antisymmetric functions of equivalent orbital form', 'Electronic wave functions. IV. Some general theorems for the calculation of Schrodinger integrals between complicated vector coupled functions for many electron atoms' and 'Electronic wave functions. V. Systematic reduction methods for all Schrodinger integrals of conventional systems of antisymmetric vector coupled functions' by Samuel Francis Boys, to William George Penney, 20 October 1950, RR/73/241, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/rr_73_241/letter-from-john-edward-lennard-jones-on-three-papers-electronic-wave-functions-iii-some-theorems-on-integrals-of-antisymmetric-functions-of-equivalent-orbital-form-electronic-wave-functions-iv-some-general-theorems-for-the-calculation-of-schrodinger-integrals-between-complicated-vector-coupled-functions-for-many-electron-atoms-and-electronic-wave-functions-v-systematic-reduction-methods-for-all-schrodinger-integrals-of-conventional-systems-of-antisymmetric-vector-coupled-functions-by-samuel-francis-boys-to-william-george-penney, accessed on 13 July 2026

https://makingscience.royalsociety.org/items/rr_73_241/letter-from-john-edward-lennard-jones-on-three-papers-electronic-wave-functions-iii-some-theorems-on-integrals-of-antisymmetric-functions-of-equivalent-orbital-form-electronic-wave-functions-iv-some-general-theorems-for-the-calculation-of-schrodinger-integrals-between-complicated-vector-coupled-functions-for-many-electron-atoms-and-electronic-wave-functions-v-systematic-reduction-methods-for-all-schrodinger-integrals-of-conventional-systems-of-antisymmetric-vector-coupled-functions-by-samuel-francis-boys-to-william-george-penney

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