@article{ITVS_2014_2_a5, author = {P. P. Nikolayev}, title = {A method for projectively-invariant description of ovals having axial or central symmetry}, journal = {Informacionnye tehnologii i vy\v{c}islitelnye sistemy}, pages = {46--59}, publisher = {mathdoc}, number = {2}, year = {2014}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/ITVS_2014_2_a5/} }