@article{UZERU_2002_3_a3,
     author = {A. A. Chubaryan and H. R. Bolibekyan},
     title = {On the minimal sequential calculi of {Robinson{\textquoteright}s} arithmetic},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {20--22},
     publisher = {mathdoc},
     number = {3},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZERU_2002_3_a3/}
}