000 00318nam a2200121Ia 4500
008 240125s9999||||xx |||||||||||||| ||und||
041 _aeng
082 _a530.15
_bN62 COU.H
100 _aCourant, R and HIlberta D.
_917031
245 0 _aMethods of mathematical physics
260 _bWiley
_aNew Delhi
_c1962
942 _cBK
999 _c28635
_d28635