@article{10_4064_cm_14_1_203_215,
     author = {A. Hulanicki and E. Marczewski and J. Mycielski},
     title = {Exchange of independent sets in abstract algebras {I}},
     journal = {Colloquium Mathematicum},
     pages = {203--215},
     publisher = {mathdoc},
     volume = {14},
     number = {1},
     year = {1966},
     doi = {10.4064/cm-14-1-203-215},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-14-1-203-215/}
}