@article{DAN_1972_202_3_a14,
     author = {D. K. Faddeev},
     title = {On the measure of the set of the midpoints of chords of a plane continuum},
     journal = {Doklady Akademii Nauk},
     pages = {551--552},
     publisher = {mathdoc},
     volume = {202},
     number = {3},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1972_202_3_a14/}
}