🌐EnglishEnglishРусский日本語EntityQ3918989· pop 5· linked from 4 articlesMironenko reflecting functionmathematical functionAvailable in 5 languages日本語РусскийBelarusianUkrainianvia Wikidata sitelinks · CC0ConnectionsAugustin-Louis CauchyEntityperiodic functionEntityCategoriesDifferential equations