TY - JOUR AU - G. G. Pestov AU - E. A. Fomina TI - A~subfield~$B$ of elements which are infinitely near to the base JO - Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika PY - 2009 SP - 41 EP - 47 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VTGU_2009_2_a4/ LA - ru ID - VTGU_2009_2_a4 ER -