@article{DAN_1968_178_4_a11,
     author = {V. D. Davydov},
     title = {The problem of polygonality and irregularities of the shape of some {Lunar} craters},
     journal = {Doklady Akademii Nauk},
     pages = {797--799},
     year = {1968},
     volume = {178},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1968_178_4_a11/}
}