@article{MO_2003_25_2_a5,
     author = {S. V. Dvoryaninov},
     title = {What is a {Curve} of {Order} 2?},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {67--79},
     publisher = {mathdoc},
     volume = {25},
     number = {2},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2003_25_2_a5/}
}