000 00367nam a2200157Ia 4500
003 0STCL
008 150530s9999 xx 000 0 und d
040 _aSTCL
_cSTCL
100 _aPetrovsky, I.G.
245 _aPartial dDifferential equations
260 _bInterscience
_c1964
546 _aEnglish
942 _2ddc
_cBK
999 _c22702
_d22702
005 20220125165942.0