000 00291nam a2200121Ia 4500
008 170912s9999 xx 000 0 und d
082 _a515.35 KHA/D
100 _aKHANNA M L
245 0 _aDIFFERENTIAL EQUATIONS
260 _bD VAN NOSTRAND COMPANY INC
_c1970
300 _a464
942 _cTB
999 _c24702
_d24702