This article studies an asymptotic framework for conducting inference on parameters of the form ϕ(θ₀), where ϕ is a known directionally differentiable function and θ₀ is estimated by θ̂n. In these ...

Ha Huy Bang, A Property of Infinitely Differentiable Functions, Proceedings of the American Mathematical Society, Vol. 108, No. 1 (Jan., 1990), pp. 73-76 ...