@article{ZAA_1999__18_3_48343,
     author = {Kostadinov, S.I. and Stamov, G.T.},
     title = {Affinity integral manifolds for impulsive differential equations.},
     journal = {Zeitschrift f\"ur Analysis und ihre Anwendungen},
     pages = {771--784},
     publisher = {mathdoc},
     volume = {18},
     number = {3},
     year = {1999},
     zbl = {0932.34045},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZAA_1999__18_3_48343/}
}