@article{UZKU_2006_148_2_a12,
     author = {E. S. Polovinkin and S. V. Sidenko},
     title = {The addition of subsets to constant width bodies},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {132--143},
     publisher = {mathdoc},
     volume = {148},
     number = {2},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_2006_148_2_a12/}
}