000 00295nam a2200097Ia 4500
008 240404s9999 xx 000 0 und d
100 _aCohn, P. M. (Paul Moritz)
245 0 _aFree rings and their relations
_cP. M. (Paul Moritz) Cohn
260 _aLondon
_bAcademic Press
_c1985
942 _aIMAR
_cCART
999 _c34609
_d34609