000 00309nam a2200121Ia 4500
001 15167
008 170722s9999 xx 000 0 und d
100 _aBoole, George
245 _aTreatise on differential equations /
653 _aDifferential And Integral Equations
653 _aMathematics
942 _cGEN
999 _c53643
_d53643