TY - JOUR AU - Hejduk Jacej TI - Convergence with respect to some σ . ideals JO - Novi Sad Journal of Mathematics PY - 1991 SP - 157 EP - 164 VL - 21 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NSJOM_1991_21_1a_15/ ID - NSJOM_1991_21_1a_15 ER -