@article{AL_1991_30_1_a3,
     author = {A. N. Gamova},
     title = {Superautonomous numerations and projected ordinals},
     journal = {Algebra i logika},
     pages = {28--47},
     publisher = {mathdoc},
     volume = {30},
     number = {1},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1991_30_1_a3/}
}