@article{SF_1989__39_2_134988,
     author = {I.B. Kozhukhov and A.V. Klyushin},
     title = {On algebraically compact semigroup rings.},
     journal = {Semigroup forum},
     pages = {215--248},
     publisher = {mathdoc},
     volume = {39},
     number = {2},
     year = {1989},
     zbl = {0669.20051},
     url = {http://geodesic.mathdoc.fr/item/SF_1989__39_2_134988/}
}