cylinder 03D20 1 03D25 1 03D30 1 11H71 1 11K55 1 26A46 1 93B17 1 Luroth series 1 \(L\)-representation 1 \(\Delta^{\mu}\)-representation 1 bounded reducibilities 1 continuous transformation of \((0,1]\) preserving ``tails'' of \(\Delta^{\mu}\)-representation of numbers 1 degrees of unsolvability 1 fractal,Hausdorff-Besicovitch dimension 1 function preserving ``tails'' of \(\Delta^{\mu}\)-representation of numbers 1 indecomposable degree 1 random variable defined by \(L\)-representation 1 semicylinder 1 shift operator 1 singular reducibility 1 tail set 1