@misc{Wilkosz_Witold_(1891–1941)_Sur_1937,
 author={Wilkosz, Witold (1891–1941)},
 editor={Polskie Towarzystwo Matematyczne},
 copyright={Public Domain},
 address={Cracov},
 howpublished={online},
 year={1937},
 publisher={[s.n.]},
 language={fre},
 language={fre},
 type={Text},
 title={Sur la notion de l'équivalence des systèmes déductifs},
 URL={http://rcin.org.pl/Content/18090/PDF/WA35_36029_cz159-r1936-T15_Annales-art-14.pdf},
}