@article{10_21136_AM_2022_0010_22,
     author = {Korotov, Sergey and Lund, Lars Fredrik and Vatne, Jon Eivind},
     title = {Tight bounds for the dihedral angle sums of a pyramid},
     journal = {Applications of Mathematics},
     pages = {259--268},
     publisher = {mathdoc},
     volume = {68},
     number = {3},
     year = {2023},
     doi = {10.21136/AM.2022.0010-22},
     mrnumber = {4586121},
     zbl = {07729496},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.2022.0010-22/}
}