@article{DAN_1992_323_3_a3,
     author = {Yu. V. Gavrilenko},
     title = {Congruences on terms and properties of dependence relations},
     journal = {Doklady Akademii Nauk},
     pages = {389--393},
     year = {1992},
     volume = {323},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1992_323_3_a3/}
}