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@article{IVM_1983_3_a2, author = {G. M. Brodskii and I. A. Fomina}, title = {On the lattice of subtrees of a~tree}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {17--21}, publisher = {mathdoc}, number = {3}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1983_3_a2/} }
G. M. Brodskii; I. A. Fomina. On the lattice of subtrees of a~tree. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 3 (1983), pp. 17-21. http://geodesic.mathdoc.fr/item/IVM_1983_3_a2/