@article{DMGT_2009_29_2_a11,
     author = {G\"oring, Frank and Harant, Jochen and Rautenbach, Dieter and Schiermeyer, Ingo},
     title = {On -independence in graphs},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {377--383},
     publisher = {mathdoc},
     volume = {29},
     number = {2},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2009_29_2_a11/}
}