$C^{1,\alpha }$ local regularity for the solutions of the $p$-Laplacian on the Heisenberg group. The case $1+\frac{1}{\sqrt{5}}<p\le 2$

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1. Silvana Marchi, Correction to the paper: $C^{1,\alpha }$ local regularity for the solutions of the p-Laplacian on the Heisenberg group. The case $1+\frac{1}{\sqrt{5}}<p\le 2$
2. Jialin Wang, Dongni Liao, Zefeng Yu, Hölder continuity for sub-elliptic systems under the sub-quadratic controllable growth in Carnot groups