@article{10_4064_ap_51_1_99_121,
     author = {Krzysztof Ciesielski},
     title = {The characterization of the cut of funnel in a planar semidynamical system},
     journal = {Annales Polonici Mathematici},
     pages = {99--121},
     publisher = {mathdoc},
     volume = {51},
     number = {1},
     year = {1990},
     doi = {10.4064/ap-51-1-99-121},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-51-1-99-121/}
}