@article{MMO_1981_42_a7, author = {A. V. Ivanov}, title = {Kaplansky's test problem}, journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva}, pages = {200--220}, publisher = {mathdoc}, volume = {42}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MMO_1981_42_a7/} }