@article{10_21136_CPM_1982_118149,
     author = {Novotn\'y, Miroslav},
     title = {Remarks on heterogeneous algebras},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {397--406},
     publisher = {mathdoc},
     volume = {107},
     number = {4},
     year = {1982},
     doi = {10.21136/CPM.1982.118149},
     mrnumber = {683821},
     zbl = {0502.08003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1982.118149/}
}