TY - JOUR AU - B. KopociƄski TI - On the sequence of facility installation JO - Applicationes Mathematicae PY - 1969 SP - 131 EP - 136 VL - 11 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/am-11-2-131-136/ DO - 10.4064/am-11-2-131-136 LA - en ID - 10_4064_am_11_2_131_136 ER -