TY - JOUR AU - Frič, Roman TI - Rationals with exotic convergences. II. JO - Mathematica slovaca PY - 1990 SP - 389 EP - 400 VL - 40 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MASLO_1990__40_4_a5/ LA - en ID - MASLO_1990__40_4_a5 ER -