@article{FAA_2011_45_1_a8,
     author = {E. A. Gorin},
     title = {The {M\"obius} {Function} on {Abelian} {Semigroups}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {88--93},
     publisher = {mathdoc},
     volume = {45},
     number = {1},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_2011_45_1_a8/}
}