@article{MZM_1987_41_5_a13,
     author = {V. G. Kanovei},
     title = {N. {N.~Luzin's} problems on the existence of $CA$-sets without perfect subsets},
     journal = {Matemati\v{c}eskie zametki},
     pages = {750--757},
     year = {1987},
     volume = {41},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1987_41_5_a13/}
}