@article{UZERU_2013_1_a1,
     author = {H. A. Hakopian and A. R. Malinyan},
     title = {On $n$-independent sets located on quartics},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {6--12},
     publisher = {mathdoc},
     number = {1},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UZERU_2013_1_a1/}
}