@article{MMO_1965_13_a2,
     author = {G. I. Kats},
     title = {Annular groups and the principle of {duality.~II}},
     journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva},
     pages = {84--113},
     publisher = {mathdoc},
     volume = {13},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MMO_1965_13_a2/}
}