@article{AL_1996_35_5_a1,
     author = {V. N. Zhelyabin},
     title = {Coalgebras that can be made into a lattice},
     journal = {Algebra i logika},
     pages = {529--542},
     year = {1996},
     volume = {35},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1996_35_5_a1/}
}