@article{AL_1998_37_1_a6,
     author = {P. A. Schreiner},
     title = {Intermediate predicate logic without the {Beth} property},
     journal = {Algebra i logika},
     pages = {107--117},
     publisher = {mathdoc},
     volume = {37},
     number = {1},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1998_37_1_a6/}
}