@article{AL_2000_39_2_a5,
     author = {A. V. Romina},
     title = {Autostability of hyperarithmetic models},
     journal = {Algebra i logika},
     pages = {198--205},
     publisher = {mathdoc},
     volume = {39},
     number = {2},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2000_39_2_a5/}
}