@article{IIGUM_2011_4_4_a2,
     author = {A. A. Gavryushkina},
     title = {The theory of {Lists} and $\Sigma$-definability},
     journal = {The Bulletin of Irkutsk State University. Series Mathematics},
     pages = {27--38},
     publisher = {mathdoc},
     volume = {4},
     number = {4},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIGUM_2011_4_4_a2/}
}