@misc{Łoś_Jerzy_(1920–1998)_Generalizations_1980,
 author={Łoś, Jerzy (1920–1998)},
 volume={28},
 editor={Polska Akademia Nauk.},
 editor={Państwowe Wydawnictwo Naukowe (1951–1992)},
 number={1-2},
 copyright={Rights Reserved - Restricted Access},
 address={Varsovie},
 howpublished={online},
 year={1980},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={eng},
 type={Text},
 title={Generalizations around Samuelson's nonsubstitution theorem},
}