@article{SEMR_2009_6_a8,
     author = {A. I. Stukachev},
     title = {A~jump inversion theorem for the semilattices of $\Sigma$-degrees},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {182--190},
     publisher = {mathdoc},
     volume = {6},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2009_6_a8/}
}