000			00421nam a2200157Ia 4500
005			20220926183848.0
008			220816s9999||||xx |||||||||||||| ||und||
020			_a0-387-90609-6
040			_cLoC
245		0	_aPartial differential equations _cJohn, Fritz,
250			_a4th ed.
260			_aNew York : _bSpringer-Verlag, _c1982
300			_ax, 249 p. : _bill. ; _c25 cm.
500			_aIncludes index.
942			_2ddc _cBK
999			_c1304 _d1304