TY - JOUR AU - S. N. Slugin TI - Monotonic processes of two-sided approximations in a partially ordered convergence group JO - Doklady Akademii Nauk PY - 1962 SP - 34 EP - 37 VL - 147 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1962_147_1_a7/ LA - ru ID - DAN_1962_147_1_a7 ER -