@misc{Poincaré_Henri_(1854–1912)_Sur_1952, author={Poincaré, Henri (1854–1912) and Sémirot, Pierre.}, address={Paris}, howpublished={online}, year={1952}, publisher={Gauthier-Villars}, language={fre}, type={Text}, title={Sur les déviations de la verticale en Géodésie ( Bull. astron., t. 18, 1901, p. 257-276)}, URL={http://rcin.org.pl./Content/213867/PDF/WA35_240644_6642-8_Art17.pdf}, }