000 00337nam a2200133Ia 4500
001 15370
008 170722s9999 xx 000 0 und d
100 _aGreenspan Donald
245 _aIntroduction to partial differential equations /
260 _c1961
653 _aMathematics
653 _aPartial Differential Equation
942 _cGEN
999 _c4581
_d4581