000 00383nam a2200145Ia 4500
008 210212s9999||||xx |||||||||||||| ||und||
020 _a978-93-534-3227-0
072 _aMath
082 _22nd.
100 _aPolking, John & others.
245 0 _aDifferential equations
260 _c2019
_bPearson india education services pvt. ltd.
_aNoida
300 _aI-6, 599p.
942 _cSU
999 _c222416
_d222416