@article{MO_2019_89_1_a0,
     author = {V. K. Gavrilov},
     title = {Proportional segments, a polygon, and {Chevy's} lines into a circle of the 7-th year students' research competence},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {2--8},
     publisher = {mathdoc},
     volume = {89},
     number = {1},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2019_89_1_a0/}
}