@article {1805.09021, archivePrefix = {arXiv}, eprint = {1805.09021}, primaryClass = {astro-ph.SR}, author = {M. P. Di Mauro and R. Ventura and E. Corsaro and B. Lustosa De Moura}, title = {The rotational shear layer inside the early red-giant star KIC 4448777}, year = {2018}, url = {http://arxiv.org/abs/1805.09021} }