000 00473nam a2200169Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a515.353
_bW728
100 _aWilliams W E
245 _aPartial differential equations
260 _aOxford
_bClarendon Press
_c1980
300 _axi,357p.
440 _aOxford Applied Mathematics & Computing science series
650 _aPartial differential equations
942 _cBK
999 _c77050
_d77050