@article{DAN_1984_276_1_a4,
     author = {M. I. Kanovich},
     title = {On the independence of invariant propositions},
     journal = {Doklady Akademii Nauk},
     pages = {27--31},
     year = {1984},
     volume = {276},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1984_276_1_a4/}
}