@article{DAN_1970_195_3_a8, author = {V. A. Lyubetskii}, title = {From the existence of a nonmeasurable set of type $A_2$ there follows the existence of an uncountable set that contains}, journal = {Doklady Akademii Nauk}, pages = {548--550}, year = {1970}, volume = {195}, number = {3}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1970_195_3_a8/} }