@article{MASLO_1997__47_3_a2,
     author = {P{\l}onka, Jerzy},
     title = {Clone compatible identities and clone extensions of algebras},
     journal = {Mathematica slovaca},
     pages = {231--249},
     publisher = {mathdoc},
     volume = {47},
     number = {3},
     year = {1997},
     mrnumber = {1796329},
     zbl = {1018.08001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1997__47_3_a2/}
}