TY - JOUR AU - G. Trybuś TI - Algorithm 28. Calculating the measure of economic maturity JO - Applicationes Mathematicae PY - 1972 SP - 559 EP - 562 VL - 13 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/am-13-4-559-562/ DO - 10.4064/am-13-4-559-562 LA - en ID - 10_4064_am_13_4_559_562 ER -