000 00325nam a2200133Ia 4500
008 210901s1973 xx 000 0 eng d
082 _a517.27 CRA
100 _aCraggs, J.W.
245 0 _aCalculus of variations
260 _aLondon
_bGeorge Allen & Unwin
_c1973
300 _a80
650 _aMathematics
942 _2ddc
_cBK
999 _c14133
_d14133