Title information : Fuzzy power structures Variant heading : \q12*stu_us_auth*1 stu83144 \q \q1013 stu_us_auth*stu83144 \d Georgescu George \q  In : \q12**1 stu178213 \q %continue : Archive for Mathematical Logic %continue : . Vol. 47, No. 3 (2008), s.233-261 Document kind : článok z periodika References : \q2479**1 stu_us_cat*stu178215*amg \q (1) - monografia