@article{MZM_1988_44_3_a11,
     author = {E. G. Zelenyuk},
     title = {On {Pontryagin's} alternative for topological semigroups},
     journal = {Matemati\v{c}eskie zametki},
     pages = {402--403},
     publisher = {mathdoc},
     volume = {44},
     number = {3},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1988_44_3_a11/}
}