@article{10_4064_cm_63_1_107_109,
     author = {Kandasamy Muthuvel},
     title = {Large free set},
     journal = {Colloquium Mathematicum},
     pages = {107--109},
     publisher = {mathdoc},
     volume = {63},
     number = {1},
     year = {1992},
     doi = {10.4064/cm-63-1-107-109},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-63-1-107-109/}
}