@article{MZM_1985_38_5_a3,
     author = {V. M. Kadets},
     title = {A remark on two cones},
     journal = {Matemati\v{c}eskie zametki},
     pages = {665--667},
     year = {1985},
     volume = {38},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1985_38_5_a3/}
}