TY - CPAPER AU - Igor Lesso TI - SYSTEM AS A BASIC TOOL IN SOLUTION OF TASKS ON THE BASIS OF SYSTEM SCIENCE KNOWLEDGE BASE AND INFORMATICS T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2012 12th International Multidisciplinary Scientific GeoConference PY - 2012 DO - 10.5593/sgem2012/s10.v3033 PB - Stef92 Technology ER -