000 00285nam a2200121Ia 4500
008 170912s9999 xx 000 0 und d
082 _a515.3 GUP/D
100 _aGUPTA P D
245 0 _aDIFFERENTIAL EQUATIONS,CALCULUS
260 _bS VISWANATHAN
_c1984
300 _a251
942 _cTB
999 _c3719
_d3719