@article{CMUC_1981__22_3_a16,
     author = {Duda, Jarom{\'\i}r},
     title = {Varieties of subregular algebras are definable by a {Mal'cev} condition},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     publisher = {mathdoc},
     volume = {22},
     number = {3},
     year = {1981},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1981__22_3_a16/}
}