TY - JOUR AU - M. S. Alborova TI - Approximation in $L_p$ by solutions of quasi-elliptic equations JO - Vladikavkazskij matematičeskij žurnal PY - 2003 SP - 10 EP - 13 VL - 5 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMJ_2003_5_1_a2/ LA - ru ID - VMJ_2003_5_1_a2 ER -