000 00342nam a2200157Ia 4500
003 0STCL
008 150530s9999 xx 000 0 und d
040 _aSTCL
_cSTCL
100 _aElsgolc, L.E.
245 _aCalculus of variations
260 _c1963
546 _aEnglish
942 _2ddc
_cBK
999 _c23056
_d23056
005 20220125165948.0