000 00502nam a2200181Ia 4500
999 _c23845
_d23845
005 20220322103601.0
008 180712s9999 xx 000 0 und d
020 _a3540067302
082 _a512.4
_bPET
_223
100 _aPETRICH, Mario
245 _aLecture notes in mathematics
_c/[by] Mario Petrich
260 _aBerlin
_bSpriger-Verlag
_c1974
300 _av, 182 p.-
440 _aLecture note in mathematics; 380
500 _aIncludes bibliography & index.
650 _aRings
942 _cS