Gratzer, G..
Universal Algebra / - 2nd Ed. / - New York : Springer-Verlag , 1984 - xviii, 581p ;
0-387-90355-0
Mathematics
B2 / K8,L9
Universal Algebra / - 2nd Ed. / - New York : Springer-Verlag , 1984 - xviii, 581p ;
0-387-90355-0
Mathematics
B2 / K8,L9