@article{PDMA_2012_5_a41,
     author = {M. B. Abrosimov and D. D. Komarov},
     title = {On a~counterexample to a~minimal vertex $1$-extension of starlike trees},
     journal = {Prikladnaya Diskretnaya Matematika. Supplement},
     pages = {83--84},
     publisher = {mathdoc},
     number = {5},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDMA_2012_5_a41/}
}