@article{RM_1965_20_6_a5,
     author = {Ya. G. Berkovich},
     title = {On the theorem of {Carter}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {20},
     number = {6},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1965_20_6_a5/}
}