@article{MZM_1972_12_6_a2,
     author = {A. V. Efimov},
     title = {A note on a theorem of {Sunouchi}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {665--670},
     publisher = {mathdoc},
     volume = {12},
     number = {6},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1972_12_6_a2/}
}