000 00392nam a2200169Ia 4500
008 180424s9999 xx 000 0 und d
084 _a517 H2:1
100 _a"Hilton, P J"
245 0 _aPartial Derivatives
250 _a\\196904ENGGPCX
260 _aRoutledge
260 _b1969
260 _cLondon
300 _aviii+54p
500 _aincludes index and biblioraphy
942 _cBK
999 _c22458
_d22458