🌐EnglishEnglishEspañolFrançaisPortuguêsРусскийไทย한국어中文日本語EntityQ389328· pop 9· linked from 7 articlesLagrange bracketmathematical conceptAvailable in 9 languagesEspañolFrançais中文РусскийCzechUkrainianไทย한국어via Wikidata sitelinks · CC0ConnectionsPoisson bracketEntityInternational Standard Book NumberEntityCategoriesBilinear mapsHamiltonian mechanics