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@article{IVM_1995_1_a0, author = {Zh. Almeida and P. Veǐl'}, title = {Free profinite semigroups over semidirect products}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {3--31}, publisher = {mathdoc}, number = {1}, year = {1995}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1995_1_a0/} }
Zh. Almeida; P. Veǐl'. Free profinite semigroups over semidirect products. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 1 (1995), pp. 3-31. http://geodesic.mathdoc.fr/item/IVM_1995_1_a0/