Center-to-limb variation of intensity and polarization in continuum spectra of FGK stars for spherical atmospheresN. M. Kostogryz, I. Milic, S. V. Berdyugina and P. H. HauschildtA&A, 586 (2016) A87DOI: https://doi.org/10.1051/0004-6361/201527598