000 00556nam a2200193Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a510T
_bAm512(90)
100 _aFet A I
245 _aVariational problems on closed manifolds
260 _aProvidence
_bAMS
_c1953
300 _a61p
440 _aAmerican Mathematical Society: Translation; no 90
500 _aTr from Matematiceskii Sbornik (N.S)30(72), 271-316 (1952)
650 _aMathematics
650 _aVariational problems
942 _cBK
999 _c30664
_d30664