%0 Journal Article %A Fernandes, M. L. C. %A Zanolin, F. %T Repelling conditions for boundary sets using Liapunov-like functions. I. - Flow-invariance, terminal value problem and weak persistence %J Rendiconti del Seminario Matematico della Università di Padova %D 1988 %P 95-116 %V 80 %I Seminario Matematico of the University of Padua %U http://www.numdam.org/item/RSMUP_1988__80__95_0/ %G en %F RSMUP_1988__80__95_0