@article{TRSPY_1992_193_a25,
     author = {V. I. Malykhin},
     title = {$\beta N$ under the negation of $CH$},
     journal = {Informatics and Automation},
     pages = {137--141},
     publisher = {mathdoc},
     volume = {193},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1992_193_a25/}
}