@article{ADM_2004_3_a1,
     author = {Yu. A. Chapovsky and A. A. Kalyuzhnyi and G. B. Podkolzin},
     title = {On the group of extensions for the bicrossed product construction for a~locally compact group},
     journal = {Algebra and discrete mathematics},
     pages = {12--20},
     publisher = {mathdoc},
     number = {3},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2004_3_a1/}
}