TY - JOUR AU - S. A. Volkov TI - An example of a~simple quasi-universal function in the class $\mathcal E^2$ of the Grzegorczyk hierarchy JO - Diskretnaya Matematika PY - 2006 SP - 31 EP - 44 VL - 18 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DM_2006_18_4_a3/ LA - ru ID - DM_2006_18_4_a3 ER -