000 00449nam a2200133Ia 4500
008 211217s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aSchaaf, Manfred
245 0 _aReduction of product of two irreducible unitary representations of the proper orthochronous quantummechanical poincare group
260 _bSPRINGER VERLAG
_aBerlin
_c1970
300 _a121p p.
653 _aMathematics
942 _c1
999 _c154810
_d154810