@article{VMUMM_2007_3_a7,
     author = {A. A. Sapozhenko},
     title = {The number of independent sets in graphs},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {33--35},
     year = {2007},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2007_3_a7/}
}