@article{PDMA_2012_5_a42,
     author = {M. B. Abrosimov and N. A. Kuznetsov},
     title = {On the number of minimal vertex and edge $1$-extensions of cycles},
     journal = {Prikladnaya Diskretnaya Matematika. Supplement},
     pages = {84--86},
     publisher = {mathdoc},
     number = {5},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDMA_2012_5_a42/}
}