000 00316nam a2200109Ia 4500
008 211217s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aSneddon, Ian N
245 0 _aElements of partial differential equations
260 _bMcGraw Hill Book
_aNewYork
_c1957
942 _c1
999 _c146056
_d146056