@article{AL_1997_36_3_a0,
     author = {N. V. Beliakin and S. P. Odintsov},
     title = {Infinite arithmetical formulas and the reflection principle},
     journal = {Algebra i logika},
     pages = {245--258},
     publisher = {mathdoc},
     volume = {36},
     number = {3},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1997_36_3_a0/}
}