000 00366nam a2200157Ia 4500
003 0STCL
008 150530s9999 xx 000 0 und d
040 _aSTCL
_cSTCL
100 _aPetrovsky, I.G.
245 _aPartial differential equations
260 _bInterscience
_c1962
546 _aEnglish
942 _2ddc
_cBK
999 _c22698
_d22698
005 20220125165942.0