TY - JOUR AU - V. G. Puzarenko TI - Fixed points for the jump operator JO - Algebra i logika PY - 2011 SP - 615 EP - 646 VL - 50 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_2011_50_5_a2/ LA - ru ID - AL_2011_50_5_a2 ER -