000 00293 a2200121 4500
020 _a9780486498768
082 _a517.955 SNE
245 _aElements of partial differential equations
260 _bDover Publications, Inc.
_c2006
300 _avii, 327p
942 _cBK
100 _aSneddon Ian N.
999 _c2851
_d2851