Books by Rafał Urbaniak
Lekko nieodpowiedzialne i stronnicze wprowadzenie do filozofii analitycznej
Niewski's Systems of Logic and
Niewski's Systems of Logic and Foundations of Mathematics
Leśniewski's Systems of L
Leśniewski's Systems of Logic and Foundations of Mathematics
Lesniewskis Systems of Logic and Foundations of Mathematics
Trends in Logic