Formula_13666 · LibMeta · SciLib
Formula

Formula_13666

http://libmeta.ru/thesaurus/Formula_13666

Формулы

\[R(\xi, \eta) \zeta=\nabla_{\eta} \nabla_{\xi} \zeta-\nabla_{\xi} \nabla_{\eta} \zeta+\nabla_{[\xi, \eta]} \zeta\]