@article{10_21136_CMJ_1989_102286,
     author = {Chajda, Ivan and Pond\v{e}l{\'\i}\v{c}ek, Bed\v{r}ich},
     title = {Algebras with tolerance extension property in 0},
     journal = {Czechoslovak Mathematical Journal},
     pages = {142--146},
     year = {1989},
     volume = {39},
     number = {1},
     doi = {10.21136/CMJ.1989.102286},
     mrnumber = {983491},
     zbl = {0678.06003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1989.102286/}
}