@article{ZNSL_2001_280_a14,
     author = {V. V. Makeev},
     title = {On two nonsolved geometric problems},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {211--218},
     publisher = {mathdoc},
     volume = {280},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2001_280_a14/}
}