@article{MZM_1976_20_1_a2,
     author = {S. S. Marchenkov},
     title = {On the congruence of the upper semilattices of recursively enumerable $m$-powers and tabular powers},
     journal = {Matemati\v{c}eskie zametki},
     pages = {19--26},
     publisher = {mathdoc},
     volume = {20},
     number = {1},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1976_20_1_a2/}
}