@article{RSMUP_1989__81__95_0,
     author = {Zampieri, Gaetano},
     title = {Solving a collection of free coexistence-like problems in stability},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {95--106},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {81},
     year = {1989},
     mrnumber = {1020189},
     zbl = {0683.34033},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_1989__81__95_0/}
}