Measurement of the Cosmic Ray<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>e</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:mo>+</mml:mo><mml:msup><mml:mi>e</mml:mi><mml:mo>−</mml:mo></mml:msup></mml:math>Spectrum from 20 GeV to 1 TeV with the Fermi Large Area Telescope
A. A. Abdo, M. Ackermann, M. Ajello, et al.·2009·Physical Review Letters