@article{AL_2000_39_6_a4, author = {A. V. Romina}, title = {Definability of boolean algebras in $\mathbb{HF}$-superstrustures}, journal = {Algebra i logika}, pages = {711--719}, year = {2000}, volume = {39}, number = {6}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_2000_39_6_a4/} }