@article{DAN_1963_152_3_a11,
     author = {V. S. Malakhovskii},
     title = {Invariant construction of a differential geometry of a manifold of plane algebraic elements},
     journal = {Doklady Akademii Nauk},
     pages = {550--552},
     year = {1963},
     volume = {152},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_152_3_a11/}
}