@article{AL_2008_47_1_a6,
     author = {A. I. Stukachev},
     title = {Degrees of presentability of {structures.~II}},
     journal = {Algebra i logika},
     pages = {108--126},
     publisher = {mathdoc},
     volume = {47},
     number = {1},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2008_47_1_a6/}
}