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008 210219s9999||||xx |||||||||||||| ||und||
020 _a8121903394
082 _a518 SA-F
100 _aSaxena H C
245 0 _aFinite differences and numerical analysis
260 _aNew Delhi
_bS Chand
_c2017
300 _a451
650 _aFinite differences and numerical analysis
_933765
942 _cBK
999 _c58795
_d58795