@article{MZM_1985_38_1_a13,
     author = {T. I. Abanina and M. M. Dragilev},
     title = {Twofold absolute bases},
     journal = {Matemati\v{c}eskie zametki},
     pages = {120--131},
     year = {1985},
     volume = {38},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1985_38_1_a13/}
}