@article{MVK_2013_4_4_a7,
     author = {S. V. Polin},
     title = {Systems of equations and lattices of congruences of universal algebras},
     journal = {Matemati\v{c}eskie voprosy kriptografii},
     pages = {109--144},
     year = {2013},
     volume = {4},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MVK_2013_4_4_a7/}
}