@misc{Langevin_Paul_(1872–1946)_Sur_1950,
 author={Langevin, Paul (1872–1946)},
 copyright={Public Domain},
 address={Paris},
 howpublished={online},
 year={1950},
 publisher={CNRS},
 language={fre},
 type={Text},
 title={Sur les chocs entre neutrons rapides et noyaux de masse quelconque, Ann. de Physique, 1942, 17, 303},
 URL={http://www.rcin.org.pl/Content/196591/PDF/WA35_226889_8818_Art48.pdf},
}