000 00271nam a2200121Ia 4500
008 230222s9999 xx 000 0 und d
082 _a510
100 _aKapur J N
245 0 _aMathematical Modelling
250 _a2
260 _bNew Age, New Delhi
_c2018
942 _cBK
999 _c36895
_d36895