@article{MZM_2015_98_2_a9,
     author = {V. G. Kanovei and V. A. Lyubetskii},
     title = {On {Effective} $\sigma${-Boundedness} and $\sigma${-Compactness} in {Solovay's} {Model}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {247--257},
     publisher = {mathdoc},
     volume = {98},
     number = {2},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2015_98_2_a9/}
}