TY - JOUR AU - M. M. Sysło TI - The calculation of α-sets of representatives JO - Applicationes Mathematicae PY - 1972 SP - 347 EP - 350 VL - 13 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/am-13-3-347-350/ DO - 10.4064/am-13-3-347-350 LA - en ID - 10_4064_am_13_3_347_350 ER -