000 00273nam a2200109Ia 4500
008 190703s9999 xx 000 0 und d
082 _a530.15 C858.1
100 _aCOURANT,R
245 0 _aMETHODS OF MATHEMATICAL PHYSICS VOL.1
260 _aNEW DELHI
_bWiley
942 _cBB
_2DDC
999 _c5094
_d5094