@article{MZM_1981_30_3_a7,
     author = {A. S. Barashko},
     title = {Infimums of step-counting functions of enumeration of sets},
     journal = {Matemati\v{c}eskie zametki},
     pages = {397--406},
     publisher = {mathdoc},
     volume = {30},
     number = {3},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1981_30_3_a7/}
}