000 00303nam a2200121Ia 4500
008 221001s1989 xx 000 0 eng d
082 _a515.35 PAR
100 _aParashar, B. P.
245 0 _aDifferential and integral equations
260 _aDelhi
_bCBS
_c1989
300 _axvi, 271p.
942 _2ddc
_cBK
999 _c20711
_d20711