000 00287nam a2200121Ia 4500
008 190719s9999 xx 000 0 und d
082 _a517.38 T824
100 _aTRICOMI.F.G
245 0 _aDIFFERENTIAL EQUATIONS
260 _aLONDON
_bBLACKIE
_c1961
300 _a23X15
942 _cBK
_2DDC
999 _c45425
_d45425