@article{IVM_1970_12_a3,
     author = {A. E. Evseev and N. E. Podran},
     title = {Transformation semigroups of a~finite set that are generated by idempotents with given projective characteristics.},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {30--36},
     publisher = {mathdoc},
     number = {12},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1970_12_a3/}
}