00978nam a2200277 i 4500991000808869707536100726s1970 it a b 001 0 ita db13915058-39ule_instDip.to Matematicaeng510AMS 00A05Speranza, Francesco433447Relazioni e strutture /Francesco SperanzaBologna :Zanichelli,1970224 p. :diagr. ;19 cmMatematica moderna ;8Ex Libris Mario LombardoIncludes bibliographical references: p. 222MathematicsDidacticsAlgebra.b1391505826-11-1326-07-10991000808869707536LE013 Fondo Lombardo 00A SPE11 (1970)12013000220253le013gE5.00-no 10000.i1553411x24-09-13Relazioni e strutture227080UNISALENTOle01326-07-10ma -itait 00