000 00300nam a2200121Ia 4500
008 160710s1961 xx 000 0 und d
082 _a517.38 GRE
100 _aGREENSPAN DONALD
245 _aPARTIAL DIFFERNTAIL EQUATIONS
260 _bMCGREW HILL BOOK LTD
_c1961
300 _a192
942 _2ddc
_cB
999 _c34518
_d34518