@article{10_4064_ba52_1_8,
     author = {Krzysztof Ciesielski},
     title = {On {Semicontinuity} in {Impulsive} {Dynamical} {Systems}},
     journal = {Bulletin of the Polish Academy of Sciences. Mathematics},
     pages = {71--80},
     publisher = {mathdoc},
     volume = {52},
     number = {1},
     year = {2004},
     doi = {10.4064/ba52-1-8},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ba52-1-8/}
}