@article{VTGU_2013_5_a3,
     author = {E. A. Timoshenko},
     title = {Purely transcendental extensions of the field of rational numbers as base fields of csp-rings},
     journal = {Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika},
     pages = {30--39},
     publisher = {mathdoc},
     number = {5},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTGU_2013_5_a3/}
}