TY - JOUR L1 - http://www.czasopisma.pan.pl/Content/83831/PDF/19_paper.pdf L2 - http://www.czasopisma.pan.pl/Content/83831 PY - 2013 IS - No 4 EP - 918 DO - 10.2478/bpasts-2013-0098 A1 - Duda, J. VL - 61 DA - 2013 T1 - A Lyapunov functional for a neutral system with a time-varying delay SP - 911 UR - http://www.czasopisma.pan.pl/dlibra/publication/edition/83831 T2 - Bulletin of the Polish Academy of Sciences Technical Sciences ER -