000 00333pam a2200157a 44500
008 230515b1986 xxu||||| |||| 00| 0 eng d
020 _aNULL
041 _aENGLISH
082 _aN.D.
100 _aKOROVKIN P. P.
245 _aINEQUELITIES .
250 _a0
260 _aNULL
_bMIR PUB.
_c1986
300 _a72
650 _aNULL
999 _c572021
_d572021