@article{AL_2009_48_4_a2,
     author = {M. V. Semenova and K. M. Skorobogatov},
     title = {Lattices isomorphic to subsemilattice lattices of finite trees},
     journal = {Algebra i logika},
     pages = {471--494},
     publisher = {mathdoc},
     volume = {48},
     number = {4},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2009_48_4_a2/}
}