@article{DM_1989_1_2_a0,
     author = {A. A. Markov},
     title = {Vector optimization of decompositions of root trees},
     journal = {Diskretnaya Matematika},
     pages = {58--68},
     publisher = {mathdoc},
     volume = {1},
     number = {2},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_1989_1_2_a0/}
}