@article{DM_2011_23_1_a0,
     author = {E. S. Bernikovich and Yu. L. Pavlov},
     title = {On the maximum size of a~tree in a~random unlabelled unrooted forest},
     journal = {Diskretnaya Matematika},
     pages = {3--20},
     publisher = {mathdoc},
     volume = {23},
     number = {1},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2011_23_1_a0/}
}