000 00323nam a2200121Ia 4500
008 211209s1969 xx 000 0 und d
041 _aeng
082 _a515.35 N69 GUP/SIN
100 _aGUPTA R N
245 _aTEXT BOOK OF DIFFERENTIAL EQUATIONS
260 _aNEW DELHI
_bS CHAND & COMPANY PVT. LTD.
_c1969
300 _a130
999 _c17343
_d17343