@article{AL_2008_47_5_a1,
     author = {A. I. Budkin},
     title = {Dominions of universal algebras and projective properties},
     journal = {Algebra i logika},
     pages = {541--557},
     publisher = {mathdoc},
     volume = {47},
     number = {5},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2008_47_5_a1/}
}