@article{MZM_2013_93_3_a8,
     author = {Ling Liu and Bing-Liang Shen},
     title = {The {Complexity} of {Crossed} {Products}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {407--412},
     publisher = {mathdoc},
     volume = {93},
     number = {3},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2013_93_3_a8/}
}