@article{SM_2022_213_3_a6,
     author = {V. P. Platonov and V. S. Zhgoon and M. M. Petrunin},
     title = {On the problem of periodicity of continued fraction expansions of $\sqrt{f}$ for cubic polynomials~$f$ over algebraic number fields},
     journal = {Sbornik. Mathematics},
     pages = {412--442},
     publisher = {mathdoc},
     volume = {213},
     number = {3},
     year = {2022},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2022_213_3_a6/}
}