@article{AMI_2015_44_a1,
     author = {\'Agnes Baran and Gy\"orgy Terdik},
     title = {Power spectrum estimation of spherical random fields based on covariances},
     journal = {Annales mathematicae et informaticae},
     pages = {15--22},
     publisher = {mathdoc},
     volume = {44},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AMI_2015_44_a1/}
}