@article{MZM_1995_57_1_a12,
     author = {V. V. Makeev},
     title = {Quadrangles inscribed in a closed curve},
     journal = {Matemati\v{c}eskie zametki},
     pages = {129--132},
     publisher = {mathdoc},
     volume = {57},
     number = {1},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1995_57_1_a12/}
}