00330nam 2275571 450000100060000000300230000600500090002900800410003808200130007907200160009202000180010810000140012626000270014024500190016775571StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a512.2281 amathematics a3-540-10915-0 aEcc Group bSPRINGER-VERLAG c1982 agroup theory 1