@article{10_4064_cm_14_1_189_201,
     author = {J. P{\l}onka},
     title = {On the number of independent elements in finite abstract algebras having a binary operation},
     journal = {Colloquium Mathematicum},
     pages = {189--201},
     publisher = {mathdoc},
     volume = {14},
     number = {1},
     year = {1966},
     doi = {10.4064/cm-14-1-189-201},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-14-1-189-201/}
}