Where can I find and how can I derive the orthogonality relations for Hankel's functions defined as follows:(adsbygoogle = window.adsbygoogle || []).push({});

[itex]H^{(1)}_{m}(z) \equiv J_{n}(z) +i Y_{n}(z)[/itex]

[itex]H^{(2)}_{m}(z) \equiv J_{n}(z) - i Y_{n}(z)[/itex]

Any help is greatly appreciated.

Thanks

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# Orthogonality relations for Hankel functions

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