@article{AL_2007_46_3_a2,
     author = {S. Yu. Podzorov},
     title = {The universal {Lachlan} semilattice without the greatest element},
     journal = {Algebra i logika},
     pages = {299--345},
     publisher = {mathdoc},
     volume = {46},
     number = {3},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2007_46_3_a2/}
}