@article{MZM_2020_108_4_a12,
     author = {V. A. Voblyi},
     title = {An {Explicit} {Formula} for the {Number} of {Labeled} {Series-Parallel} $k${-Cyclic} {Blocks}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {622--624},
     publisher = {mathdoc},
     volume = {108},
     number = {4},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2020_108_4_a12/}
}