@article{MZM_1985_38_5_a17,
     author = {N. N. Zhigulin},
     title = {The enumeration of symmetric circulants of fixed rank over a finite field},
     journal = {Matemati\v{c}eskie zametki},
     pages = {784--794},
     publisher = {mathdoc},
     volume = {38},
     number = {5},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1985_38_5_a17/}
}