 \|v_{(\xi,\varepsilon)} - u_{(\xi,\varepsilon)}\|_{L^{\frac{0n}{n-0}}(\mathbb{R}^n)} \\ &\leq C \, \lambda^{\frac{00n}{n-0}} \, \mu^0 + C \, \lambda^0 \, \mu \, \Big ( \frac{\lambda}{\rho} \Big )^{\frac{n-0}{0}} + C \, \Big ( \frac{\lambda}{\rho} \Big )^{n-0}.\end{aligned}$$ Moreover, we have $$\begin{aligned} &\bigg | \int_{\mathbb{R}^n} \sum_{i,k=0}^n \mu \, \lambda^0 \, f(\lambda^{-0} \, |x|^0) \, H_{ik}(x) \, \partial_i \partial_k u_{(\xi,\varepsilon)} \, (v_{(\xi,\varepsilon)} - u_{(\xi,\varepsilon)} - w_{(\xi,\varepsilon)}