@article{RSMUP_1988__80__95_0,
     author = {Fernandes, M. L. C. and Zanolin, F.},
     title = {Repelling conditions for boundary sets using {Liapunov-like} functions. {I.} - {Flow-invariance,} terminal value problem and weak persistence},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {95--116},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {80},
     year = {1988},
     mrnumber = {988116},
     zbl = {0672.34048},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_1988__80__95_0/}
}