@article{MZM_2008_84_4_a1,
     author = {M. V. Balashov and I. I. Bogdanov},
     title = {Properties of $P$-sets and {Trapped} {Compact} {Convex} {Sets}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {496--505},
     publisher = {mathdoc},
     volume = {84},
     number = {4},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2008_84_4_a1/}
}