@article{10_4153_S0008414X21000249,
     author = {Technau, Niclas and Walker, Aled},
     title = {On the triple correlations of fractional parts of $n^2\alpha $},
     journal = {Canadian journal of mathematics},
     pages = {1347--1384},
     year = {2022},
     volume = {74},
     number = {5},
     doi = {10.4153/S0008414X21000249},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/S0008414X21000249/}
}