@article{PDM_2011_13_a41,
     author = {M. B. Abrosimov and D. D. Komarov},
     title = {On minimal edge 1-extensions of two special form trees},
     journal = {Prikladna\^a diskretna\^a matematika},
     pages = {83--84},
     publisher = {mathdoc},
     number = {13},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDM_2011_13_a41/}
}