000 00291cam a2200121ua 4500
082 _a515
_bDEM/PR
100 _aDemidovich, B .
_91756
245 _aProblems in Mathematical Analysis /
250 _a1 /
260 _aMoscow :
_bPeace Publishers ,
_c1984.
300 _a496 ; .
942 _cBK
999 _c3339
_d3339