@misc{Langevin_Paul_(1872–1946)_Résonance_1950,
 author={Langevin, Paul (1872–1946)},
 copyright={Public Domain},
 address={Paris},
 howpublished={online},
 year={1950},
 publisher={CNRS},
 language={fre},
 type={Text},
 title={Résonance et forces de gravitation, Ann. de Physique, 1942, 17, 265},
 URL={http://www.rcin.org.pl/Content/196593/PDF/WA35_226890_8818_Art49.pdf},
}