@article{ZNSL_2003_299_a14,
     author = {V. V. Makeev},
     title = {On quadrangles inscribed in a~closed curve and the vertices of the curve},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {241--251},
     publisher = {mathdoc},
     volume = {299},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2003_299_a14/}
}