English Metric space Cited by user PlatypeanArchcow on 24 Aug 2022 In mathematics, a metric space is a set together with a notion of distance between its elements, usually called points.
German Kugelwellentransformation Cited by user D.H on 16 Jun 2014 Kugelwellentransformationen (Englisch: spherical wave transformations) lassen die Form von Kugelwellen sowie die Gesetze von Optik und Elektrodynamik in allen…
