@article{FPM_2001_7_1_a5,
     author = {A. Ya. Ovsyannikov},
     title = {Ideal lattice isomorphisms of semigroups},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {87--103},
     publisher = {mathdoc},
     volume = {7},
     number = {1},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2001_7_1_a5/}
}