@article{DAN_1981_257_3_a0,
     author = {S. A. Antonyan and Yu. M. Smirnov},
     title = {Universal objects and compact extensions for topological transformation groups},
     journal = {Doklady Akademii Nauk},
     pages = {521--526},
     publisher = {mathdoc},
     volume = {257},
     number = {3},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1981_257_3_a0/}
}