TY - JFULL ID - 134024759 TI - Commentationes mathematicae : annals of the Polish Mathematical Society, series 1. PY - 2020 PB - Warszawa : Polskie Towarzystwo Matematyczne, DB - UniCat KW - Mathematics KW - Mathematics. UR - https://www.unicat.be/uniCat?func=search&query=sysid:134024759 AB - ER -