000 00404nam a2200157Ia 4500
008 170519s9999 xx 000 0 und d
041 _aEnglish
082 _a515.35/CHA/DIF
100 _aU.N. CHAKRARVARTY
245 _aDIFFERENTIAL EQUATIONS
260 _bU. N. DHUR AND SONS PRIVATE LIMITED
_aKOLKATA
300 _c338P
650 _aDIFFERENTIAL EQUATIONS
650 _aMATHEMATICS
942 _cBK
999 _c83496
_d83496