000 00336nam a2200133Ia 4500
008 221001s2000 xx 000 0 eng d
020 _a9780486414485
082 _a515.64 GEL
100 _aGelfand, I.M.
245 0 _aCalculus of variations
260 _aNew York
_bDover Publications
_c2000
300 _avii, 232p.
942 _2ddc
_cBK
999 _c42804
_d42804