000 00289nam a22001337a 4500
008 170817b xxu||||| |||| 00| 0 eng d
020 _a0486630692
041 _aeng
080 _a51
100 _a36
101 _aMAT
245 _aCALCULUS OF VARIATIONS
_cWEINSTOCK,R
942 _2udc
_cBK
999 _c24029
_d24029