000 00347 a2200121 4500
080 _a517.9
_bS 671 E
245 1 _aElements of partial differential equation
_cby I.N. Sneddon
260 _aNew York
_bMcGraw Hill Book Company Incorporation
_c1957
650 _aDifferential Equation
100 1 _aSneddon, I.N.
_d
300 _a327 p.
901 _a92423
999 _c25029
_d25029