@article{10_21136_CPM_1990_108721,
     author = {Chajda, Ivan},
     title = {A note on permutability in varieties},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {85--91},
     publisher = {mathdoc},
     volume = {115},
     number = {1},
     year = {1990},
     doi = {10.21136/CPM.1990.108721},
     mrnumber = {1044018},
     zbl = {0708.08004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1990.108721/}
}