@article{AL_2004_43_6_a5,
     author = {V. G. Puzarenko},
     title = {The {L\"owenheim--Skolem--Mal'tsev} {Theorem} for $\mathbb{HF}${-Structures}},
     journal = {Algebra i logika},
     pages = {749--758},
     publisher = {mathdoc},
     volume = {43},
     number = {6},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2004_43_6_a5/}
}