@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}, title={Sur un théorème général relatif aux marées ( Bull. astron., t. 20, 1903, p. 215-229)}, type={Text}, URL={http://www.rcin.org.pl/Content/235457/WA35_240648_6642-8_Art21.pdf}, }