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@article{IVM_1976_7_a14, author = {E. I. Kleiman}, title = {The lattice of varieties of inverse semigroups}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {106--109}, publisher = {mathdoc}, number = {7}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1976_7_a14/} }
E. I. Kleiman. The lattice of varieties of inverse semigroups. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 7 (1976), pp. 106-109. http://geodesic.mathdoc.fr/item/IVM_1976_7_a14/