@article{IVM_2009_2_a3,
     author = {N. Kehayopulu},
     title = {Ideal extensions of lattices},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {46--64},
     publisher = {mathdoc},
     number = {2},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2009_2_a3/}
}