@article{AMI_2024_60_a25,
     author = {Anna Stirling and Csaba Szab\'o and S\'ara Sz\"or\'enyi and \'Eva V\'as\'arhelyi and Janka Szeibert},
     title = {On elementary representations of cos 75{\textdegree} and cos 15{\textdegree}},
     journal = {Annales mathematicae et informaticae},
     pages = {278--284},
     publisher = {mathdoc},
     volume = {60},
     year = {2024},
     doi = {10.33039/ami.2024.12.002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.33039/ami.2024.12.002/}
}