00372nam a22001457a 4500 9783111700700 Jespers, Eric Group ring groups Vol.2 structure theorms of unit groups Berlin De Gruyter 2025 x+217p. K theory Hyperbolic geometry Rio, Angel del ddc BK 748673 748673 0 0 ddc 0 0 MAT MAT PROC 2025-05-09 032/NBHM 0038 (Gift from NBHM) 0 MATG191 2025-05-09 12:35:43 2025-05-09 BK