@article{DM_2008_20_3_a4,
     author = {V. A. Voblyi},
     title = {A simple upper bound for the number of spanning trees of regular graphs},
     journal = {Diskretnaya Matematika},
     pages = {47--50},
     publisher = {mathdoc},
     volume = {20},
     number = {3},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2008_20_3_a4/}
}