author = { Chao, Chong-Yun AND Winograd, Shmuel },

title = { A generalization of a theorem of Boolean relation matrices },

publisher = {Institute of Mathematics, Czech Academy of Sciences},

isbn = {0011-4642},

isbn = {1572-9141},

keywords = { General Mathematics },

year = {1977},

url = { http://slubdd.de/katalog?TN_libero_mab2 }