TY - JOUR AU - F. N. Pakhomov TI - On elementary theories of ordinal notation systems based on reflection principles JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2015 SP - 206 EP - 226 VL - 289 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_2015_289_a11/ LA - ru ID - TM_2015_289_a11 ER -