@article{DAN_1987_293_4_a20,
     author = {A. V. Malikov},
     title = {The effect of the decrease of combinatorial-topological symmetry},
     journal = {Doklady Akademii Nauk},
     pages = {868--871},
     publisher = {mathdoc},
     volume = {293},
     number = {4},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1987_293_4_a20/}
}