@article{PDMA_2013_6_a4,
     author = {Kr. L. Geut and S. S. Titov},
     title = {On polyquadratic extension of binary fields},
     journal = {Prikladnaya Diskretnaya Matematika. Supplement},
     pages = {12--13},
     publisher = {mathdoc},
     number = {6},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDMA_2013_6_a4/}
}