@article{MO_2018_87_3_a4,
     author = {E. G. Smoljanova and A. G. Smolyanov},
     title = {Cyclic properties of roots of algebraic second order equations},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {32--37},
     publisher = {mathdoc},
     volume = {87},
     number = {3},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2018_87_3_a4/}
}