Some metrical theorems in diophantine approximation. III

Let be w sequences of differentiable functions defined in the ranges where aj, bj may be − ∞, + ∞ respectively. For each j and each m ≠ n let be monotonic and let there be a constant K independent of m, n, j, θj such that.

Английский

Mathematical proceedings of the Cambridge Philosophical Society. – 1950. – Vol. 46, № 2. – P. 219–225.