@article{DAN_1981_256_2_a1,
     author = {S. S. Goncharov},
     title = {Groups with a finite number of constructivizations},
     journal = {Doklady Akademii Nauk},
     pages = {269--272},
     publisher = {mathdoc},
     volume = {256},
     number = {2},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1981_256_2_a1/}
}