On the comparison of two production processes and the rule of dualism

Instytut Matematyczny Polskiej Akademii Nauk / Institute of Mathematics / Publishing house / Journals and Serials / Colloquium Mathematicum / All issues

Hugo Steinhaus, S. Zubrzycki Colloquium Mathematicum 5 (1957), 103-115 DOI: 10.4064/cm-5-1-103-115