01029nam a22002655i 4500991002179669707536cr nn 008mamaa121227s1976 gw | s |||| 0|eng d9783540379546b14133660-39ule_instBibl. Dip.le Aggr. Matematica e Fisica - Sez. Matematicaeng51023Petrich, Mario58119Categories of algebraic systems[e-book] :vector and projective spaces, semigroups, rings and lattices /by Mario PetrichBerlin :Springer,19761 online resource (217 p.)Lecture Notes in Mathematics,0075-8434 ;553MathematicsSpringer eBookshttp://dx.doi.org/10.1007/BFb0094957An electronic book accessible through the World Wide Web.b1413366003-03-2205-09-13991002179669707536Categories of algebraic systems80904UNISALENTOle01305-09-13m@ -enggw 00