%0 Journal Article %T Cover for Vol. 11, No. 1. %J Categories and General Algebraic Structures with Applications %I Shahid Beheshti University %Z 2345-5853 %D 2019 %\ 07/01/2019 %V 11 %N Special Issue Dedicated to Prof. George A. Grätzer %P - %! Cover for Vol. 11, No. 1. %R %X %U https://cgasa.sbu.ac.ir/article_87123_9b4005a028f1d0cdf8e4f5bdbb19c893.pdf