000 00300nam a2200121Ia 4500
008 170101s1979 xx 000 0 und d
082 _a515.353 GRE
100 _aGreenspan Donald
245 0 _aIntroduction to Partial Differential Equtions
260 _c1979
300 _a195 p.
942 _2ddc
_cB
999 _c733616
_d733616