000 00268nam a2200109Ia 4500
008 160710s1958 xx 000 0 und d
100 _aGRAKER
245 _aCALCULUS OF VARIATIONS AND ITS APPLICATIONS
260 _bMCGRAW-HILL
_c1958
300 _a151
942 _2ddc
_cB
999 _c20895
_d20895