01118nam a2200337 i 450099100064545970753620020507171709.0941004s1983 us ||| | eng 0273085913b10737376-39ule_instLE01300088ExLDip.to Matematicaeng512.2AMS 16-XXAMS 17-XXAMS 20K99QA171.F34Feigelstock, S.56799Additive groups of rings /S. FeigelstockBoston :Pitman Advanced Publ. Program,1983113 p. ;24 cm.Pitman research notes in mathematics series, ISSN 02693674 ;83Bibliography: p. 105-109.Includes indexAbelian groups.b1073737623-02-1728-06-02991000645459707536LE013 20K FEI11 (1983)12013000115238le013-E0.00-l- 00000.i1082758428-06-02Additive groups of rings343190UNISALENTOle01301-01-94ma -engus 01