000 00260nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aH T H Piaggio
245 0 _aDifferential equations
260 _aBombay
_bOrient Longman
_c1969
650 _aMath
942 _cBK
999 _c1240
_d1240