000			00422nam a2200157Ia 4500
005			20241202152016.0
008			220816s9999||||xx |||||||||||||| ||und||
020			_a0-387-90609-6
040			_cLoC
245		0	_aPartial differential equations _cJohn, Fritz,
250			_a3d ed.
260			_aNew York : _bSpringer-Verlag, _c1978
300			_aix, 198 p. : _bill. ; _c25 cm.
500			_aIncludes index.
942			_2ddc _cBK _n0
999			_c372 _d372