000 00266nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aE C Titchmarsh
245 0 _aTheory of functions
260 _aDelhi
_bOxford University Press
_c1989
650 _aMath
942 _cBK
999 _c7123
_d7123