000 00405nam a2200169Ia 4500
008 230917s9999||||xx |||||||||||||| ||und||
020 _cDM0.28
040 _e13132
_aMAIN
041 _aEnglish
082 _a515.353 613P
100 _aJohn, F
245 0 _aPartial differential equations
250 _a2nd ed.
260 _aNew York
_bSpringer-Verlag
_c1975
300 _aviii, 250 p.
942 _cBK
999 _c170281
_d170281