000 00317nam a2200121Ia 4500
008 240125s9999||||xx |||||||||||||| ||und||
041 _aeng
082 _a530.15
_bN53 COU.H
100 _aCourant, R and Hilbert, D
_917033
245 0 _aMethods of mathematical physics
260 _bWiley
_aNew Delhi
_c1953
942 _cBK
999 _c28638
_d28638