2 problems

Let $B_n$ be the natural Beurling approximation defined by … and let $\widetilde{B}_n$ be the approximating function obtained from the paper's iterative sequence…

Let $\{k_i\}_{i\in\mathbb N}$ be the sequence of integers generated by the paper's iterative construction, let $\widetilde{B}_n$ be its associated approximating functions, and let…