TY - JOUR AU - Jacek B. Krawczyk AU - Alastair S. Pharo TI - Viability theory: an applied mathematics tool for achieving dynamic systems' sustainability JO - Mathematica Applicanda PY - 2013 SP - 97 EP - 126 VL - 41 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14708/ma.v41i1.409/ DO - 10.14708/ma.v41i1.409 LA - pl ID - 10_14708_ma_v41i1_409 ER -