TY - BOOK AU - Erreygers AU - Bidard, Christian TI - The analysis of linear economic systems : Father Maurice Porton's pioneering works SN - 9780415473217 U1 - 330.0151 POR B PY - 2010/// CY - London PB - Routledge Taylor and Francies Group KW - Church society - economic KW - Unemployment KW - Mathematical contribution KW - Economics ER -