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@article{MASLO_1996__46_5_a5, author = {Denecke, K. and G{\l}azek, K.}, title = {$M$-solid varieties and $Q$-free clones}, journal = {Mathematica slovaca}, pages = {515--524}, publisher = {mathdoc}, volume = {46}, number = {5}, year = {1996}, mrnumber = {1451039}, zbl = {0893.08002}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1996__46_5_a5/} }
Denecke, K.; Głazek, K. $M$-solid varieties and $Q$-free clones. Mathematica slovaca, Tome 46 (1996) no. 5, pp. 515-524. http://geodesic.mathdoc.fr/item/MASLO_1996__46_5_a5/