@article{FPM_2016_21_5_a10,
     author = {E. V. Troitskii},
     title = {Two examples related to the twisted {Burnside{\textendash}Frobenius} theory for infinitely generated groups},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {219--227},
     year = {2016},
     volume = {21},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2016_21_5_a10/}
}